Home / 16,818.30-25,227.25-5,131.55

Finding the Fourth Proportional to 16,818.30, 25,227.25 and 5,131.55

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Solution

The fourth proportional to 16,818.30, 25,227.25 and 5,131.55 is: 7,697.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.30 : 25,227.25 = 5,131.55 : x
  2. Step 2: Convert to fraction form
    16,818.30/25,227.25 = 5,131.55/x
  3. Step 3: Cross multiply
    16,818.30x = 25,227.25 × 5,131.55
  4. Step 4: Simplify right side
    16,818.30x = 129,454,944.98
  5. Step 5: Solve for x
    x = 129,454,944.98/16,818.30
  6. Step 6: Final answer
    x = 7,697.27

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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.