Home / 11,206.38-15,471.46-9,960.82

Finding the Fourth Proportional to 11,206.38, 15,471.46 and 9,960.82

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Solution

The fourth proportional to 11,206.38, 15,471.46 and 9,960.82 is: 13,751.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,206.38 : 15,471.46 = 9,960.82 : x
  2. Step 2: Convert to fraction form
    11,206.38/15,471.46 = 9,960.82/x
  3. Step 3: Cross multiply
    11,206.38x = 15,471.46 × 9,960.82
  4. Step 4: Simplify right side
    11,206.38x = 154,108,428.20
  5. Step 5: Solve for x
    x = 154,108,428.20/11,206.38
  6. Step 6: Final answer
    x = 13,751.85

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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.