Home / 16,711.72-25,053.90-8,381.68

Finding the Fourth Proportional to 16,711.72, 25,053.90 and 8,381.68

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Solution

The fourth proportional to 16,711.72, 25,053.90 and 8,381.68 is: 12,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,711.72 : 25,053.90 = 8,381.68 : x
  2. Step 2: Convert to fraction form
    16,711.72/25,053.90 = 8,381.68/x
  3. Step 3: Cross multiply
    16,711.72x = 25,053.90 × 8,381.68
  4. Step 4: Simplify right side
    16,711.72x = 209,993,772.55
  5. Step 5: Solve for x
    x = 209,993,772.55/16,711.72
  6. Step 6: Final answer
    x = 12,565.66

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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.