Home / 8,712.54-12,024.33-5,175.75

Finding the Fourth Proportional to 8,712.54, 12,024.33 and 5,175.75

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Solution

The fourth proportional to 8,712.54, 12,024.33 and 5,175.75 is: 7,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.54 : 12,024.33 = 5,175.75 : x
  2. Step 2: Convert to fraction form
    8,712.54/12,024.33 = 5,175.75/x
  3. Step 3: Cross multiply
    8,712.54x = 12,024.33 × 5,175.75
  4. Step 4: Simplify right side
    8,712.54x = 62,234,926.00
  5. Step 5: Solve for x
    x = 62,234,926.00/8,712.54
  6. Step 6: Final answer
    x = 7,143.14

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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.