Home / 18,864.68-28,288.78-9,498.76

Finding the Fourth Proportional to 18,864.68, 28,288.78 and 9,498.76

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Solution

The fourth proportional to 18,864.68, 28,288.78 and 9,498.76 is: 14,243.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,864.68 : 28,288.78 = 9,498.76 : x
  2. Step 2: Convert to fraction form
    18,864.68/28,288.78 = 9,498.76/x
  3. Step 3: Cross multiply
    18,864.68x = 28,288.78 × 9,498.76
  4. Step 4: Simplify right side
    18,864.68x = 268,708,331.91
  5. Step 5: Solve for x
    x = 268,708,331.91/18,864.68
  6. Step 6: Final answer
    x = 14,243.99

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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.