Home / 11,195.40-15,449.64-6,159.99

Finding the Fourth Proportional to 11,195.40, 15,449.64 and 6,159.99

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Solution

The fourth proportional to 11,195.40, 15,449.64 and 6,159.99 is: 8,500.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.40 : 15,449.64 = 6,159.99 : x
  2. Step 2: Convert to fraction form
    11,195.40/15,449.64 = 6,159.99/x
  3. Step 3: Cross multiply
    11,195.40x = 15,449.64 × 6,159.99
  4. Step 4: Simplify right side
    11,195.40x = 95,169,627.90
  5. Step 5: Solve for x
    x = 95,169,627.90/11,195.40
  6. Step 6: Final answer
    x = 8,500.78

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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.