Home / 16,929.35-25,380.14-8,490.27

Finding the Fourth Proportional to 16,929.35, 25,380.14 and 8,490.27

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Solution

The fourth proportional to 16,929.35, 25,380.14 and 8,490.27 is: 12,728.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929.35 : 25,380.14 = 8,490.27 : x
  2. Step 2: Convert to fraction form
    16,929.35/25,380.14 = 8,490.27/x
  3. Step 3: Cross multiply
    16,929.35x = 25,380.14 × 8,490.27
  4. Step 4: Simplify right side
    16,929.35x = 215,484,151.20
  5. Step 5: Solve for x
    x = 215,484,151.20/16,929.35
  6. Step 6: Final answer
    x = 12,728.43

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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.