Home / 15,044.31-20,754.60-9,072.66

Finding the Fourth Proportional to 15,044.31, 20,754.60 and 9,072.66

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Solution

The fourth proportional to 15,044.31, 20,754.60 and 9,072.66 is: 12,516.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,044.31 : 20,754.60 = 9,072.66 : x
  2. Step 2: Convert to fraction form
    15,044.31/20,754.60 = 9,072.66/x
  3. Step 3: Cross multiply
    15,044.31x = 20,754.60 × 9,072.66
  4. Step 4: Simplify right side
    15,044.31x = 188,299,432.85
  5. Step 5: Solve for x
    x = 188,299,432.85/15,044.31
  6. Step 6: Final answer
    x = 12,516.32

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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.