Home / 15,537.78-23,310.10-5,677.04

Finding the Fourth Proportional to 15,537.78, 23,310.10 and 5,677.04

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Solution

The fourth proportional to 15,537.78, 23,310.10 and 5,677.04 is: 8,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,537.78 : 23,310.10 = 5,677.04 : x
  2. Step 2: Convert to fraction form
    15,537.78/23,310.10 = 5,677.04/x
  3. Step 3: Cross multiply
    15,537.78x = 23,310.10 × 5,677.04
  4. Step 4: Simplify right side
    15,537.78x = 132,332,370.10
  5. Step 5: Solve for x
    x = 132,332,370.10/15,537.78
  6. Step 6: Final answer
    x = 8,516.81

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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.