Home / 19,545.64-29,304.54-9,151.72

Finding the Fourth Proportional to 19,545.64, 29,304.54 and 9,151.72

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Solution

The fourth proportional to 19,545.64, 29,304.54 and 9,151.72 is: 13,721.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,545.64 : 29,304.54 = 9,151.72 : x
  2. Step 2: Convert to fraction form
    19,545.64/29,304.54 = 9,151.72/x
  3. Step 3: Cross multiply
    19,545.64x = 29,304.54 × 9,151.72
  4. Step 4: Simplify right side
    19,545.64x = 268,186,944.81
  5. Step 5: Solve for x
    x = 268,186,944.81/19,545.64
  6. Step 6: Final answer
    x = 13,721.06

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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.