Home / 14,869.38-20,520.03-8,154.61

Finding the Fourth Proportional to 14,869.38, 20,520.03 and 8,154.61

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Solution

The fourth proportional to 14,869.38, 20,520.03 and 8,154.61 is: 11,253.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,869.38 : 20,520.03 = 8,154.61 : x
  2. Step 2: Convert to fraction form
    14,869.38/20,520.03 = 8,154.61/x
  3. Step 3: Cross multiply
    14,869.38x = 20,520.03 × 8,154.61
  4. Step 4: Simplify right side
    14,869.38x = 167,332,841.84
  5. Step 5: Solve for x
    x = 167,332,841.84/14,869.38
  6. Step 6: Final answer
    x = 11,253.52

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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.