Home / 11,010.88-15,195.20-6,295.20

Finding the Fourth Proportional to 11,010.88, 15,195.20 and 6,295.20

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Solution

The fourth proportional to 11,010.88, 15,195.20 and 6,295.20 is: 8,687.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,010.88 : 15,195.20 = 6,295.20 : x
  2. Step 2: Convert to fraction form
    11,010.88/15,195.20 = 6,295.20/x
  3. Step 3: Cross multiply
    11,010.88x = 15,195.20 × 6,295.20
  4. Step 4: Simplify right side
    11,010.88x = 95,656,823.04
  5. Step 5: Solve for x
    x = 95,656,823.04/11,010.88
  6. Step 6: Final answer
    x = 8,687.48

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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.