Home / 8,352.40-12,534.68-6,728.56

Finding the Fourth Proportional to 8,352.40, 12,534.68 and 6,728.56

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Solution

The fourth proportional to 8,352.40, 12,534.68 and 6,728.56 is: 10,097.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.40 : 12,534.68 = 6,728.56 : x
  2. Step 2: Convert to fraction form
    8,352.40/12,534.68 = 6,728.56/x
  3. Step 3: Cross multiply
    8,352.40x = 12,534.68 × 6,728.56
  4. Step 4: Simplify right side
    8,352.40x = 84,340,346.46
  5. Step 5: Solve for x
    x = 84,340,346.46/8,352.40
  6. Step 6: Final answer
    x = 10,097.74

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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.