Home / 8,724.80-13,069.02-6,867.02

Finding the Fourth Proportional to 8,724.80, 13,069.02 and 6,867.02

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Solution

The fourth proportional to 8,724.80, 13,069.02 and 6,867.02 is: 10,286.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.80 : 13,069.02 = 6,867.02 : x
  2. Step 2: Convert to fraction form
    8,724.80/13,069.02 = 6,867.02/x
  3. Step 3: Cross multiply
    8,724.80x = 13,069.02 × 6,867.02
  4. Step 4: Simplify right side
    8,724.80x = 89,745,221.72
  5. Step 5: Solve for x
    x = 89,745,221.72/8,724.80
  6. Step 6: Final answer
    x = 10,286.22

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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.