Home / 11,522.40-17,245.20-10,600.80

Finding the Fourth Proportional to 11,522.40, 17,245.20 and 10,600.80

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Solution

The fourth proportional to 11,522.40, 17,245.20 and 10,600.80 is: 15,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,522.40 : 17,245.20 = 10,600.80 : x
  2. Step 2: Convert to fraction form
    11,522.40/17,245.20 = 10,600.80/x
  3. Step 3: Cross multiply
    11,522.40x = 17,245.20 × 10,600.80
  4. Step 4: Simplify right side
    11,522.40x = 182,812,916.16
  5. Step 5: Solve for x
    x = 182,812,916.16/11,522.40
  6. Step 6: Final answer
    x = 15,865.87

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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.