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Finding the Fourth Proportional to 10,522.56, 15,756.92 and 10,211.12

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Solution

The fourth proportional to 10,522.56, 15,756.92 and 10,211.12 is: 15,290.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.56 : 15,756.92 = 10,211.12 : x
  2. Step 2: Convert to fraction form
    10,522.56/15,756.92 = 10,211.12/x
  3. Step 3: Cross multiply
    10,522.56x = 15,756.92 × 10,211.12
  4. Step 4: Simplify right side
    10,522.56x = 160,895,800.95
  5. Step 5: Solve for x
    x = 160,895,800.95/10,522.56
  6. Step 6: Final answer
    x = 15,290.56

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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.