Home / 11,002.20-15,180.84-6,285.48

Finding the Fourth Proportional to 11,002.20, 15,180.84 and 6,285.48

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Solution

The fourth proportional to 11,002.20, 15,180.84 and 6,285.48 is: 8,672.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,002.20 : 15,180.84 = 6,285.48 : x
  2. Step 2: Convert to fraction form
    11,002.20/15,180.84 = 6,285.48/x
  3. Step 3: Cross multiply
    11,002.20x = 15,180.84 × 6,285.48
  4. Step 4: Simplify right side
    11,002.20x = 95,418,866.20
  5. Step 5: Solve for x
    x = 95,418,866.20/11,002.20
  6. Step 6: Final answer
    x = 8,672.71

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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.