Home / 15,863.20-23,773.80-8,451.70

Finding the Fourth Proportional to 15,863.20, 23,773.80 and 8,451.70

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Solution

The fourth proportional to 15,863.20, 23,773.80 and 8,451.70 is: 12,666.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,863.20 : 23,773.80 = 8,451.70 : x
  2. Step 2: Convert to fraction form
    15,863.20/23,773.80 = 8,451.70/x
  3. Step 3: Cross multiply
    15,863.20x = 23,773.80 × 8,451.70
  4. Step 4: Simplify right side
    15,863.20x = 200,929,025.46
  5. Step 5: Solve for x
    x = 200,929,025.46/15,863.20
  6. Step 6: Final answer
    x = 12,666.36

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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.