Home / 11,253.06-15,519.13-9,370.87

Finding the Fourth Proportional to 11,253.06, 15,519.13 and 9,370.87

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Solution

The fourth proportional to 11,253.06, 15,519.13 and 9,370.87 is: 12,923.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.06 : 15,519.13 = 9,370.87 : x
  2. Step 2: Convert to fraction form
    11,253.06/15,519.13 = 9,370.87/x
  3. Step 3: Cross multiply
    11,253.06x = 15,519.13 × 9,370.87
  4. Step 4: Simplify right side
    11,253.06x = 145,427,687.52
  5. Step 5: Solve for x
    x = 145,427,687.52/11,253.06
  6. Step 6: Final answer
    x = 12,923.39

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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.