Home / 8,266.74-12,387.96-6,515.93

Finding the Fourth Proportional to 8,266.74, 12,387.96 and 6,515.93

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Solution

The fourth proportional to 8,266.74, 12,387.96 and 6,515.93 is: 9,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,266.74 : 12,387.96 = 6,515.93 : x
  2. Step 2: Convert to fraction form
    8,266.74/12,387.96 = 6,515.93/x
  3. Step 3: Cross multiply
    8,266.74x = 12,387.96 × 6,515.93
  4. Step 4: Simplify right side
    8,266.74x = 80,719,080.20
  5. Step 5: Solve for x
    x = 80,719,080.20/8,266.74
  6. Step 6: Final answer
    x = 9,764.32

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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.