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Finding the Fourth Proportional to 8,351.17, 12,453.06 and 8,276.18

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Solution

The fourth proportional to 8,351.17, 12,453.06 and 8,276.18 is: 12,341.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.17 : 12,453.06 = 8,276.18 : x
  2. Step 2: Convert to fraction form
    8,351.17/12,453.06 = 8,276.18/x
  3. Step 3: Cross multiply
    8,351.17x = 12,453.06 × 8,276.18
  4. Step 4: Simplify right side
    8,351.17x = 103,063,797.24
  5. Step 5: Solve for x
    x = 103,063,797.24/8,351.17
  6. Step 6: Final answer
    x = 12,341.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.