Home / 17,920.64-24,719.52-11,545.04

Finding the Fourth Proportional to 17,920.64, 24,719.52 and 11,545.04

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Solution

The fourth proportional to 17,920.64, 24,719.52 and 11,545.04 is: 15,925.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,920.64 : 24,719.52 = 11,545.04 : x
  2. Step 2: Convert to fraction form
    17,920.64/24,719.52 = 11,545.04/x
  3. Step 3: Cross multiply
    17,920.64x = 24,719.52 × 11,545.04
  4. Step 4: Simplify right side
    17,920.64x = 285,387,847.18
  5. Step 5: Solve for x
    x = 285,387,847.18/17,920.64
  6. Step 6: Final answer
    x = 15,925.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.