Home / 21,774.75-30,049.17-12,343.92

Finding the Fourth Proportional to 21,774.75, 30,049.17 and 12,343.92

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Solution

The fourth proportional to 21,774.75, 30,049.17 and 12,343.92 is: 17,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,774.75 : 30,049.17 = 12,343.92 : x
  2. Step 2: Convert to fraction form
    21,774.75/30,049.17 = 12,343.92/x
  3. Step 3: Cross multiply
    21,774.75x = 30,049.17 × 12,343.92
  4. Step 4: Simplify right side
    21,774.75x = 370,924,550.55
  5. Step 5: Solve for x
    x = 370,924,550.55/21,774.75
  6. Step 6: Final answer
    x = 17,034.62

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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.