Home / 11,350.20-15,663.32-6,314.75

Finding the Fourth Proportional to 11,350.20, 15,663.32 and 6,314.75

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Solution

The fourth proportional to 11,350.20, 15,663.32 and 6,314.75 is: 8,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,350.20 : 15,663.32 = 6,314.75 : x
  2. Step 2: Convert to fraction form
    11,350.20/15,663.32 = 6,314.75/x
  3. Step 3: Cross multiply
    11,350.20x = 15,663.32 × 6,314.75
  4. Step 4: Simplify right side
    11,350.20x = 98,909,949.97
  5. Step 5: Solve for x
    x = 98,909,949.97/11,350.20
  6. Step 6: Final answer
    x = 8,714.38

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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.