Home / 15,010.11-20,732.31-11,250.09

Finding the Fourth Proportional to 15,010.11, 20,732.31 and 11,250.09

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Solution

The fourth proportional to 15,010.11, 20,732.31 and 11,250.09 is: 15,538.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,010.11 : 20,732.31 = 11,250.09 : x
  2. Step 2: Convert to fraction form
    15,010.11/20,732.31 = 11,250.09/x
  3. Step 3: Cross multiply
    15,010.11x = 20,732.31 × 11,250.09
  4. Step 4: Simplify right side
    15,010.11x = 233,240,353.41
  5. Step 5: Solve for x
    x = 233,240,353.41/15,010.11
  6. Step 6: Final answer
    x = 15,538.88

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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.