Home / 19,717.80-29,565.32-9,329.52

Finding the Fourth Proportional to 19,717.80, 29,565.32 and 9,329.52

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Solution

The fourth proportional to 19,717.80, 29,565.32 and 9,329.52 is: 13,988.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,717.80 : 29,565.32 = 9,329.52 : x
  2. Step 2: Convert to fraction form
    19,717.80/29,565.32 = 9,329.52/x
  3. Step 3: Cross multiply
    19,717.80x = 29,565.32 × 9,329.52
  4. Step 4: Simplify right side
    19,717.80x = 275,830,244.25
  5. Step 5: Solve for x
    x = 275,830,244.25/19,717.80
  6. Step 6: Final answer
    x = 13,988.90

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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.