Home / 10,057.53-13,879.76-6,077.88

Finding the Fourth Proportional to 10,057.53, 13,879.76 and 6,077.88

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Solution

The fourth proportional to 10,057.53, 13,879.76 and 6,077.88 is: 8,387.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,057.53 : 13,879.76 = 6,077.88 : x
  2. Step 2: Convert to fraction form
    10,057.53/13,879.76 = 6,077.88/x
  3. Step 3: Cross multiply
    10,057.53x = 13,879.76 × 6,077.88
  4. Step 4: Simplify right side
    10,057.53x = 84,359,530.90
  5. Step 5: Solve for x
    x = 84,359,530.90/10,057.53
  6. Step 6: Final answer
    x = 8,387.70

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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.