Home / 16,814.80-25,218.18-7,449.76

Finding the Fourth Proportional to 16,814.80, 25,218.18 and 7,449.76

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Solution

The fourth proportional to 16,814.80, 25,218.18 and 7,449.76 is: 11,172.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.80 : 25,218.18 = 7,449.76 : x
  2. Step 2: Convert to fraction form
    16,814.80/25,218.18 = 7,449.76/x
  3. Step 3: Cross multiply
    16,814.80x = 25,218.18 × 7,449.76
  4. Step 4: Simplify right side
    16,814.80x = 187,869,388.64
  5. Step 5: Solve for x
    x = 187,869,388.64/16,814.80
  6. Step 6: Final answer
    x = 11,172.86

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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.