Home / 12,517.49-18,770.24-4,721.33

Finding the Fourth Proportional to 12,517.49, 18,770.24 and 4,721.33

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Solution

The fourth proportional to 12,517.49, 18,770.24 and 4,721.33 is: 7,079.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517.49 : 18,770.24 = 4,721.33 : x
  2. Step 2: Convert to fraction form
    12,517.49/18,770.24 = 4,721.33/x
  3. Step 3: Cross multiply
    12,517.49x = 18,770.24 × 4,721.33
  4. Step 4: Simplify right side
    12,517.49x = 88,620,473.61
  5. Step 5: Solve for x
    x = 88,620,473.61/12,517.49
  6. Step 6: Final answer
    x = 7,079.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.