Home / 10,396.93-14,347.44-5,681.21

Finding the Fourth Proportional to 10,396.93, 14,347.44 and 5,681.21

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Solution

The fourth proportional to 10,396.93, 14,347.44 and 5,681.21 is: 7,839.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,396.93 : 14,347.44 = 5,681.21 : x
  2. Step 2: Convert to fraction form
    10,396.93/14,347.44 = 5,681.21/x
  3. Step 3: Cross multiply
    10,396.93x = 14,347.44 × 5,681.21
  4. Step 4: Simplify right side
    10,396.93x = 81,510,819.60
  5. Step 5: Solve for x
    x = 81,510,819.60/10,396.93
  6. Step 6: Final answer
    x = 7,839.89

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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.