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Finding the Fourth Proportional to 19,614.54, 29,398.99 and 9,062.40

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Solution

The fourth proportional to 19,614.54, 29,398.99 and 9,062.40 is: 13,583.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.54 : 29,398.99 = 9,062.40 : x
  2. Step 2: Convert to fraction form
    19,614.54/29,398.99 = 9,062.40/x
  3. Step 3: Cross multiply
    19,614.54x = 29,398.99 × 9,062.40
  4. Step 4: Simplify right side
    19,614.54x = 266,425,406.98
  5. Step 5: Solve for x
    x = 266,425,406.98/19,614.54
  6. Step 6: Final answer
    x = 13,583.06

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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.