Home / 12,725.65-17,542.83-8,937.46

Finding the Fourth Proportional to 12,725.65, 17,542.83 and 8,937.46

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Solution

The fourth proportional to 12,725.65, 17,542.83 and 8,937.46 is: 12,320.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,725.65 : 17,542.83 = 8,937.46 : x
  2. Step 2: Convert to fraction form
    12,725.65/17,542.83 = 8,937.46/x
  3. Step 3: Cross multiply
    12,725.65x = 17,542.83 × 8,937.46
  4. Step 4: Simplify right side
    12,725.65x = 156,788,341.41
  5. Step 5: Solve for x
    x = 156,788,341.41/12,725.65
  6. Step 6: Final answer
    x = 12,320.65

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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.