Home / 15,561.18-23,310.90-7,229.70

Finding the Fourth Proportional to 15,561.18, 23,310.90 and 7,229.70

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Solution

The fourth proportional to 15,561.18, 23,310.90 and 7,229.70 is: 10,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.18 : 23,310.90 = 7,229.70 : x
  2. Step 2: Convert to fraction form
    15,561.18/23,310.90 = 7,229.70/x
  3. Step 3: Cross multiply
    15,561.18x = 23,310.90 × 7,229.70
  4. Step 4: Simplify right side
    15,561.18x = 168,530,813.73
  5. Step 5: Solve for x
    x = 168,530,813.73/15,561.18
  6. Step 6: Final answer
    x = 10,830.21

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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.