Home / 22,705.20-34,057.80-12,863.70

Finding the Fourth Proportional to 22,705.20, 34,057.80 and 12,863.70

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Solution

The fourth proportional to 22,705.20, 34,057.80 and 12,863.70 is: 19,295.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,705.20 : 34,057.80 = 12,863.70 : x
  2. Step 2: Convert to fraction form
    22,705.20/34,057.80 = 12,863.70/x
  3. Step 3: Cross multiply
    22,705.20x = 34,057.80 × 12,863.70
  4. Step 4: Simplify right side
    22,705.20x = 438,109,321.86
  5. Step 5: Solve for x
    x = 438,109,321.86/22,705.20
  6. Step 6: Final answer
    x = 19,295.55

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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.