Home / 16,042.57-22,138.37-8,969.65

Finding the Fourth Proportional to 16,042.57, 22,138.37 and 8,969.65

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Solution

The fourth proportional to 16,042.57, 22,138.37 and 8,969.65 is: 12,377.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,042.57 : 22,138.37 = 8,969.65 : x
  2. Step 2: Convert to fraction form
    16,042.57/22,138.37 = 8,969.65/x
  3. Step 3: Cross multiply
    16,042.57x = 22,138.37 × 8,969.65
  4. Step 4: Simplify right side
    16,042.57x = 198,573,319.78
  5. Step 5: Solve for x
    x = 198,573,319.78/16,042.57
  6. Step 6: Final answer
    x = 12,377.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.