Home / 8,812.06-13,206.68-6,724.36

Finding the Fourth Proportional to 8,812.06, 13,206.68 and 6,724.36

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Solution

The fourth proportional to 8,812.06, 13,206.68 and 6,724.36 is: 10,077.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.06 : 13,206.68 = 6,724.36 : x
  2. Step 2: Convert to fraction form
    8,812.06/13,206.68 = 6,724.36/x
  3. Step 3: Cross multiply
    8,812.06x = 13,206.68 × 6,724.36
  4. Step 4: Simplify right side
    8,812.06x = 88,806,470.72
  5. Step 5: Solve for x
    x = 88,806,470.72/8,812.06
  6. Step 6: Final answer
    x = 10,077.83

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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.