Home / 12,351.40-17,034.17-9,960.69

Finding the Fourth Proportional to 12,351.40, 17,034.17 and 9,960.69

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Solution

The fourth proportional to 12,351.40, 17,034.17 and 9,960.69 is: 13,737.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,351.40 : 17,034.17 = 9,960.69 : x
  2. Step 2: Convert to fraction form
    12,351.40/17,034.17 = 9,960.69/x
  3. Step 3: Cross multiply
    12,351.40x = 17,034.17 × 9,960.69
  4. Step 4: Simplify right side
    12,351.40x = 169,672,005.03
  5. Step 5: Solve for x
    x = 169,672,005.03/12,351.40
  6. Step 6: Final answer
    x = 13,737.06

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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.