Home / 9,182.10-12,666.96-6,198.90

Finding the Fourth Proportional to 9,182.10, 12,666.96 and 6,198.90

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Solution

The fourth proportional to 9,182.10, 12,666.96 and 6,198.90 is: 8,551.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.10 : 12,666.96 = 6,198.90 : x
  2. Step 2: Convert to fraction form
    9,182.10/12,666.96 = 6,198.90/x
  3. Step 3: Cross multiply
    9,182.10x = 12,666.96 × 6,198.90
  4. Step 4: Simplify right side
    9,182.10x = 78,521,218.34
  5. Step 5: Solve for x
    x = 78,521,218.34/9,182.10
  6. Step 6: Final answer
    x = 8,551.55

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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.