Home / 8,858.23-12,218.92-6,966.74

Finding the Fourth Proportional to 8,858.23, 12,218.92 and 6,966.74

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Solution

The fourth proportional to 8,858.23, 12,218.92 and 6,966.74 is: 9,609.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.23 : 12,218.92 = 6,966.74 : x
  2. Step 2: Convert to fraction form
    8,858.23/12,218.92 = 6,966.74/x
  3. Step 3: Cross multiply
    8,858.23x = 12,218.92 × 6,966.74
  4. Step 4: Simplify right side
    8,858.23x = 85,126,051.85
  5. Step 5: Solve for x
    x = 85,126,051.85/8,858.23
  6. Step 6: Final answer
    x = 9,609.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.