Home / 12,264.82-18,397.28-3,380.28

Finding the Fourth Proportional to 12,264.82, 18,397.28 and 3,380.28

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Solution

The fourth proportional to 12,264.82, 18,397.28 and 3,380.28 is: 5,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,264.82 : 18,397.28 = 3,380.28 : x
  2. Step 2: Convert to fraction form
    12,264.82/18,397.28 = 3,380.28/x
  3. Step 3: Cross multiply
    12,264.82x = 18,397.28 × 3,380.28
  4. Step 4: Simplify right side
    12,264.82x = 62,187,957.64
  5. Step 5: Solve for x
    x = 62,187,957.64/12,264.82
  6. Step 6: Final answer
    x = 5,070.43

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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.