Home / 11,023.80-15,204.02-8,898.78

Finding the Fourth Proportional to 11,023.80, 15,204.02 and 8,898.78

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Solution

The fourth proportional to 11,023.80, 15,204.02 and 8,898.78 is: 12,273.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,023.80 : 15,204.02 = 8,898.78 : x
  2. Step 2: Convert to fraction form
    11,023.80/15,204.02 = 8,898.78/x
  3. Step 3: Cross multiply
    11,023.80x = 15,204.02 × 8,898.78
  4. Step 4: Simplify right side
    11,023.80x = 135,297,229.10
  5. Step 5: Solve for x
    x = 135,297,229.10/11,023.80
  6. Step 6: Final answer
    x = 12,273.19

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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.