Home / 11,195.49-15,449.16-6,158.90

Finding the Fourth Proportional to 11,195.49, 15,449.16 and 6,158.90

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Solution

The fourth proportional to 11,195.49, 15,449.16 and 6,158.90 is: 8,498.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,195.49 : 15,449.16 = 6,158.90 : x
  2. Step 2: Convert to fraction form
    11,195.49/15,449.16 = 6,158.90/x
  3. Step 3: Cross multiply
    11,195.49x = 15,449.16 × 6,158.90
  4. Step 4: Simplify right side
    11,195.49x = 95,149,831.52
  5. Step 5: Solve for x
    x = 95,149,831.52/11,195.49
  6. Step 6: Final answer
    x = 8,498.94

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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.