Home / 14,007.24-20,997.90-5,239.80

Finding the Fourth Proportional to 14,007.24, 20,997.90 and 5,239.80

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Solution

The fourth proportional to 14,007.24, 20,997.90 and 5,239.80 is: 7,854.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.24 : 20,997.90 = 5,239.80 : x
  2. Step 2: Convert to fraction form
    14,007.24/20,997.90 = 5,239.80/x
  3. Step 3: Cross multiply
    14,007.24x = 20,997.90 × 5,239.80
  4. Step 4: Simplify right side
    14,007.24x = 110,024,796.42
  5. Step 5: Solve for x
    x = 110,024,796.42/14,007.24
  6. Step 6: Final answer
    x = 7,854.85

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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.