Home / 19,789.29-29,683.94-9,398.61

Finding the Fourth Proportional to 19,789.29, 29,683.94 and 9,398.61

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Solution

The fourth proportional to 19,789.29, 29,683.94 and 9,398.61 is: 14,097.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,789.29 : 29,683.94 = 9,398.61 : x
  2. Step 2: Convert to fraction form
    19,789.29/29,683.94 = 9,398.61/x
  3. Step 3: Cross multiply
    19,789.29x = 29,683.94 × 9,398.61
  4. Step 4: Simplify right side
    19,789.29x = 278,987,728.33
  5. Step 5: Solve for x
    x = 278,987,728.33/19,789.29
  6. Step 6: Final answer
    x = 14,097.92

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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.