Home / 16,545.60-24,837.60-9,979.20

Finding the Fourth Proportional to 16,545.60, 24,837.60 and 9,979.20

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Solution

The fourth proportional to 16,545.60, 24,837.60 and 9,979.20 is: 14,980.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.60 : 24,837.60 = 9,979.20 : x
  2. Step 2: Convert to fraction form
    16,545.60/24,837.60 = 9,979.20/x
  3. Step 3: Cross multiply
    16,545.60x = 24,837.60 × 9,979.20
  4. Step 4: Simplify right side
    16,545.60x = 247,859,377.92
  5. Step 5: Solve for x
    x = 247,859,377.92/16,545.60
  6. Step 6: Final answer
    x = 14,980.38

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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.