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Finding the Fourth Proportional to 8,682.74, 13,010.43 and 6,713.18

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Solution

The fourth proportional to 8,682.74, 13,010.43 and 6,713.18 is: 10,059.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682.74 : 13,010.43 = 6,713.18 : x
  2. Step 2: Convert to fraction form
    8,682.74/13,010.43 = 6,713.18/x
  3. Step 3: Cross multiply
    8,682.74x = 13,010.43 × 6,713.18
  4. Step 4: Simplify right side
    8,682.74x = 87,341,358.47
  5. Step 5: Solve for x
    x = 87,341,358.47/8,682.74
  6. Step 6: Final answer
    x = 10,059.19

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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.