Home / 13,079.45-18,049.27-7,414.73

Finding the Fourth Proportional to 13,079.45, 18,049.27 and 7,414.73

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Solution

The fourth proportional to 13,079.45, 18,049.27 and 7,414.73 is: 10,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.45 : 18,049.27 = 7,414.73 : x
  2. Step 2: Convert to fraction form
    13,079.45/18,049.27 = 7,414.73/x
  3. Step 3: Cross multiply
    13,079.45x = 18,049.27 × 7,414.73
  4. Step 4: Simplify right side
    13,079.45x = 133,830,354.96
  5. Step 5: Solve for x
    x = 133,830,354.96/13,079.45
  6. Step 6: Final answer
    x = 10,232.11

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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.