Home / 14,087.25-21,130.88-3,699

Finding the Fourth Proportional to 14,087.25, 21,130.88 and 3,699

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Solution

The fourth proportional to 14,087.25, 21,130.88 and 3,699 is: 5,548.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.25 : 21,130.88 = 3,699 : x
  2. Step 2: Convert to fraction form
    14,087.25/21,130.88 = 3,699/x
  3. Step 3: Cross multiply
    14,087.25x = 21,130.88 × 3,699
  4. Step 4: Simplify right side
    14,087.25x = 78,163,106.63
  5. Step 5: Solve for x
    x = 78,163,106.63/14,087.25
  6. Step 6: Final answer
    x = 5,548.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 14,088.25, 21,132.38 and 3,700
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.