Home / 12,247.31-18,371.06-3,013.31

Finding the Fourth Proportional to 12,247.31, 18,371.06 and 3,013.31

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Solution

The fourth proportional to 12,247.31, 18,371.06 and 3,013.31 is: 4,519.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,247.31 : 18,371.06 = 3,013.31 : x
  2. Step 2: Convert to fraction form
    12,247.31/18,371.06 = 3,013.31/x
  3. Step 3: Cross multiply
    12,247.31x = 18,371.06 × 3,013.31
  4. Step 4: Simplify right side
    12,247.31x = 55,357,740.97
  5. Step 5: Solve for x
    x = 55,357,740.97/12,247.31
  6. Step 6: Final answer
    x = 4,519.99

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Similar ratio
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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.