Home / 11,024.31-15,209.25-6,243.15

Finding the Fourth Proportional to 11,024.31, 15,209.25 and 6,243.15

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Solution

The fourth proportional to 11,024.31, 15,209.25 and 6,243.15 is: 8,613.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,024.31 : 15,209.25 = 6,243.15 : x
  2. Step 2: Convert to fraction form
    11,024.31/15,209.25 = 6,243.15/x
  3. Step 3: Cross multiply
    11,024.31x = 15,209.25 × 6,243.15
  4. Step 4: Simplify right side
    11,024.31x = 94,953,729.70
  5. Step 5: Solve for x
    x = 94,953,729.70/11,024.31
  6. Step 6: Final answer
    x = 8,613.12

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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.