Home / 11,386.62-15,713.46-6,350.90

Finding the Fourth Proportional to 11,386.62, 15,713.46 and 6,350.90

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Solution

The fourth proportional to 11,386.62, 15,713.46 and 6,350.90 is: 8,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.62 : 15,713.46 = 6,350.90 : x
  2. Step 2: Convert to fraction form
    11,386.62/15,713.46 = 6,350.90/x
  3. Step 3: Cross multiply
    11,386.62x = 15,713.46 × 6,350.90
  4. Step 4: Simplify right side
    11,386.62x = 99,794,613.11
  5. Step 5: Solve for x
    x = 99,794,613.11/11,386.62
  6. Step 6: Final answer
    x = 8,764.20

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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.