Home / 8,739.18-13,097.82-6,882.96

Finding the Fourth Proportional to 8,739.18, 13,097.82 and 6,882.96

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Solution

The fourth proportional to 8,739.18, 13,097.82 and 6,882.96 is: 10,315.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,739.18 : 13,097.82 = 6,882.96 : x
  2. Step 2: Convert to fraction form
    8,739.18/13,097.82 = 6,882.96/x
  3. Step 3: Cross multiply
    8,739.18x = 13,097.82 × 6,882.96
  4. Step 4: Simplify right side
    8,739.18x = 90,151,771.15
  5. Step 5: Solve for x
    x = 90,151,771.15/8,739.18
  6. Step 6: Final answer
    x = 10,315.82

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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.