Home / 8,175.90-12,256.56-6,800.52

Finding the Fourth Proportional to 8,175.90, 12,256.56 and 6,800.52

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Solution

The fourth proportional to 8,175.90, 12,256.56 and 6,800.52 is: 10,194.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.90 : 12,256.56 = 6,800.52 : x
  2. Step 2: Convert to fraction form
    8,175.90/12,256.56 = 6,800.52/x
  3. Step 3: Cross multiply
    8,175.90x = 12,256.56 × 6,800.52
  4. Step 4: Simplify right side
    8,175.90x = 83,350,981.41
  5. Step 5: Solve for x
    x = 83,350,981.41/8,175.90
  6. Step 6: Final answer
    x = 10,194.72

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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.