Home / 10,651.59-15,977.39-4,079.66

Finding the Fourth Proportional to 10,651.59, 15,977.39 and 4,079.66

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Solution

The fourth proportional to 10,651.59, 15,977.39 and 4,079.66 is: 6,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.59 : 15,977.39 = 4,079.66 : x
  2. Step 2: Convert to fraction form
    10,651.59/15,977.39 = 4,079.66/x
  3. Step 3: Cross multiply
    10,651.59x = 15,977.39 × 4,079.66
  4. Step 4: Simplify right side
    10,651.59x = 65,182,218.60
  5. Step 5: Solve for x
    x = 65,182,218.60/10,651.59
  6. Step 6: Final answer
    x = 6,119.48

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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.