Home / 14,110.20-21,151.80-5,223.15

Finding the Fourth Proportional to 14,110.20, 21,151.80 and 5,223.15

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Solution

The fourth proportional to 14,110.20, 21,151.80 and 5,223.15 is: 7,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,110.20 : 21,151.80 = 5,223.15 : x
  2. Step 2: Convert to fraction form
    14,110.20/21,151.80 = 5,223.15/x
  3. Step 3: Cross multiply
    14,110.20x = 21,151.80 × 5,223.15
  4. Step 4: Simplify right side
    14,110.20x = 110,479,024.17
  5. Step 5: Solve for x
    x = 110,479,024.17/14,110.20
  6. Step 6: Final answer
    x = 7,829.73

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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.