Home / 11,189.97-15,442.55-6,154.57

Finding the Fourth Proportional to 11,189.97, 15,442.55 and 6,154.57

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Solution

The fourth proportional to 11,189.97, 15,442.55 and 6,154.57 is: 8,493.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,189.97 : 15,442.55 = 6,154.57 : x
  2. Step 2: Convert to fraction form
    11,189.97/15,442.55 = 6,154.57/x
  3. Step 3: Cross multiply
    11,189.97x = 15,442.55 × 6,154.57
  4. Step 4: Simplify right side
    11,189.97x = 95,042,224.18
  5. Step 5: Solve for x
    x = 95,042,224.18/11,189.97
  6. Step 6: Final answer
    x = 8,493.52

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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.