Home / 8,118.24-12,177.36-2,646.24

Finding the Fourth Proportional to 8,118.24, 12,177.36 and 2,646.24

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Solution

The fourth proportional to 8,118.24, 12,177.36 and 2,646.24 is: 3,969.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,118.24 : 12,177.36 = 2,646.24 : x
  2. Step 2: Convert to fraction form
    8,118.24/12,177.36 = 2,646.24/x
  3. Step 3: Cross multiply
    8,118.24x = 12,177.36 × 2,646.24
  4. Step 4: Simplify right side
    8,118.24x = 32,224,217.13
  5. Step 5: Solve for x
    x = 32,224,217.13/8,118.24
  6. Step 6: Final answer
    x = 3,969.36

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Similar ratio
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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.