Home / 10,217.88-14,101.29-5,681.21

Finding the Fourth Proportional to 10,217.88, 14,101.29 and 5,681.21

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Solution

The fourth proportional to 10,217.88, 14,101.29 and 5,681.21 is: 7,840.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,217.88 : 14,101.29 = 5,681.21 : x
  2. Step 2: Convert to fraction form
    10,217.88/14,101.29 = 5,681.21/x
  3. Step 3: Cross multiply
    10,217.88x = 14,101.29 × 5,681.21
  4. Step 4: Simplify right side
    10,217.88x = 80,112,319.25
  5. Step 5: Solve for x
    x = 80,112,319.25/10,217.88
  6. Step 6: Final answer
    x = 7,840.41

Related Problems

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Half scale
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Double scale
Find fourth proportional to 10,218.88, 14,102.67 and 5,682.21
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.