Home / 11,195.20-15,449.38-6,159.32

Finding the Fourth Proportional to 11,195.20, 15,449.38 and 6,159.32

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Solution

The fourth proportional to 11,195.20, 15,449.38 and 6,159.32 is: 8,499.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.20 : 15,449.38 = 6,159.32 : x
  2. Step 2: Convert to fraction form
    11,195.20/15,449.38 = 6,159.32/x
  3. Step 3: Cross multiply
    11,195.20x = 15,449.38 × 6,159.32
  4. Step 4: Simplify right side
    11,195.20x = 95,157,675.16
  5. Step 5: Solve for x
    x = 95,157,675.16/11,195.20
  6. Step 6: Final answer
    x = 8,499.86

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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.