Home / 12,251.13-18,353.57-7,238.54

Finding the Fourth Proportional to 12,251.13, 18,353.57 and 7,238.54

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Solution

The fourth proportional to 12,251.13, 18,353.57 and 7,238.54 is: 10,844.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,251.13 : 18,353.57 = 7,238.54 : x
  2. Step 2: Convert to fraction form
    12,251.13/18,353.57 = 7,238.54/x
  3. Step 3: Cross multiply
    12,251.13x = 18,353.57 × 7,238.54
  4. Step 4: Simplify right side
    12,251.13x = 132,853,060.28
  5. Step 5: Solve for x
    x = 132,853,060.28/12,251.13
  6. Step 6: Final answer
    x = 10,844.15

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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.