Home / 12,841.11-17,717.49-7,534.90

Finding the Fourth Proportional to 12,841.11, 17,717.49 and 7,534.90

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Solution

The fourth proportional to 12,841.11, 17,717.49 and 7,534.90 is: 10,396.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.11 : 17,717.49 = 7,534.90 : x
  2. Step 2: Convert to fraction form
    12,841.11/17,717.49 = 7,534.90/x
  3. Step 3: Cross multiply
    12,841.11x = 17,717.49 × 7,534.90
  4. Step 4: Simplify right side
    12,841.11x = 133,499,515.40
  5. Step 5: Solve for x
    x = 133,499,515.40/12,841.11
  6. Step 6: Final answer
    x = 10,396.26

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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.