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Finding the Fourth Proportional to 19,593.90, 29,398.14 and 9,069.03

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Solution

The fourth proportional to 19,593.90, 29,398.14 and 9,069.03 is: 13,606.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,593.90 : 29,398.14 = 9,069.03 : x
  2. Step 2: Convert to fraction form
    19,593.90/29,398.14 = 9,069.03/x
  3. Step 3: Cross multiply
    19,593.90x = 29,398.14 × 9,069.03
  4. Step 4: Simplify right side
    19,593.90x = 266,612,613.60
  5. Step 5: Solve for x
    x = 266,612,613.60/19,593.90
  6. Step 6: Final answer
    x = 13,606.92

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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.