Home / 8,756.91-13,118.09-6,568.11

Finding the Fourth Proportional to 8,756.91, 13,118.09 and 6,568.11

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Solution

The fourth proportional to 8,756.91, 13,118.09 and 6,568.11 is: 9,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.91 : 13,118.09 = 6,568.11 : x
  2. Step 2: Convert to fraction form
    8,756.91/13,118.09 = 6,568.11/x
  3. Step 3: Cross multiply
    8,756.91x = 13,118.09 × 6,568.11
  4. Step 4: Simplify right side
    8,756.91x = 86,161,025.27
  5. Step 5: Solve for x
    x = 86,161,025.27/8,756.91
  6. Step 6: Final answer
    x = 9,839.20

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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.