Home / 12,506.57-17,251.68-8,672.23

Finding the Fourth Proportional to 12,506.57, 17,251.68 and 8,672.23

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Solution

The fourth proportional to 12,506.57, 17,251.68 and 8,672.23 is: 11,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.57 : 17,251.68 = 8,672.23 : x
  2. Step 2: Convert to fraction form
    12,506.57/17,251.68 = 8,672.23/x
  3. Step 3: Cross multiply
    12,506.57x = 17,251.68 × 8,672.23
  4. Step 4: Simplify right side
    12,506.57x = 149,610,590.93
  5. Step 5: Solve for x
    x = 149,610,590.93/12,506.57
  6. Step 6: Final answer
    x = 11,962.56

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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.