Home / 12,732.09-17,571.24-7,425.78

Finding the Fourth Proportional to 12,732.09, 17,571.24 and 7,425.78

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Solution

The fourth proportional to 12,732.09, 17,571.24 and 7,425.78 is: 10,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,732.09 : 17,571.24 = 7,425.78 : x
  2. Step 2: Convert to fraction form
    12,732.09/17,571.24 = 7,425.78/x
  3. Step 3: Cross multiply
    12,732.09x = 17,571.24 × 7,425.78
  4. Step 4: Simplify right side
    12,732.09x = 130,480,162.57
  5. Step 5: Solve for x
    x = 130,480,162.57/12,732.09
  6. Step 6: Final answer
    x = 10,248.13

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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.