Home / 14,464.40-21,691.20-5,100.80

Finding the Fourth Proportional to 14,464.40, 21,691.20 and 5,100.80

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Solution

The fourth proportional to 14,464.40, 21,691.20 and 5,100.80 is: 7,649.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,464.40 : 21,691.20 = 5,100.80 : x
  2. Step 2: Convert to fraction form
    14,464.40/21,691.20 = 5,100.80/x
  3. Step 3: Cross multiply
    14,464.40x = 21,691.20 × 5,100.80
  4. Step 4: Simplify right side
    14,464.40x = 110,642,472.96
  5. Step 5: Solve for x
    x = 110,642,472.96/14,464.40
  6. Step 6: Final answer
    x = 7,649.30

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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.