Home / 12,517.84-17,274.19-7,480.91

Finding the Fourth Proportional to 12,517.84, 17,274.19 and 7,480.91

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Solution

The fourth proportional to 12,517.84, 17,274.19 and 7,480.91 is: 10,323.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.84 : 17,274.19 = 7,480.91 : x
  2. Step 2: Convert to fraction form
    12,517.84/17,274.19 = 7,480.91/x
  3. Step 3: Cross multiply
    12,517.84x = 17,274.19 × 7,480.91
  4. Step 4: Simplify right side
    12,517.84x = 129,226,581.02
  5. Step 5: Solve for x
    x = 129,226,581.02/12,517.84
  6. Step 6: Final answer
    x = 10,323.39

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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.