Home / 8,159.74-12,232.69-3,996.20

Finding the Fourth Proportional to 8,159.74, 12,232.69 and 3,996.20

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Solution

The fourth proportional to 8,159.74, 12,232.69 and 3,996.20 is: 5,990.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,159.74 : 12,232.69 = 3,996.20 : x
  2. Step 2: Convert to fraction form
    8,159.74/12,232.69 = 3,996.20/x
  3. Step 3: Cross multiply
    8,159.74x = 12,232.69 × 3,996.20
  4. Step 4: Simplify right side
    8,159.74x = 48,884,296.37
  5. Step 5: Solve for x
    x = 48,884,296.37/8,159.74
  6. Step 6: Final answer
    x = 5,990.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.