Home / 21,151.44-29,200.92-14,446.80

Finding the Fourth Proportional to 21,151.44, 29,200.92 and 14,446.80

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Solution

The fourth proportional to 21,151.44, 29,200.92 and 14,446.80 is: 19,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151.44 : 29,200.92 = 14,446.80 : x
  2. Step 2: Convert to fraction form
    21,151.44/29,200.92 = 14,446.80/x
  3. Step 3: Cross multiply
    21,151.44x = 29,200.92 × 14,446.80
  4. Step 4: Simplify right side
    21,151.44x = 421,859,851.06
  5. Step 5: Solve for x
    x = 421,859,851.06/21,151.44
  6. Step 6: Final answer
    x = 19,944.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.