Home / 16,478.13-24,721.00-5,385.64

Finding the Fourth Proportional to 16,478.13, 24,721.00 and 5,385.64

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Solution

The fourth proportional to 16,478.13, 24,721.00 and 5,385.64 is: 8,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,478.13 : 24,721.00 = 5,385.64 : x
  2. Step 2: Convert to fraction form
    16,478.13/24,721.00 = 5,385.64/x
  3. Step 3: Cross multiply
    16,478.13x = 24,721.00 × 5,385.64
  4. Step 4: Simplify right side
    16,478.13x = 133,138,377.53
  5. Step 5: Solve for x
    x = 133,138,377.53/16,478.13
  6. Step 6: Final answer
    x = 8,079.70

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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.