Home / 9,359.22-12,909.30-6,373.86

Finding the Fourth Proportional to 9,359.22, 12,909.30 and 6,373.86

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Solution

The fourth proportional to 9,359.22, 12,909.30 and 6,373.86 is: 8,791.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,359.22 : 12,909.30 = 6,373.86 : x
  2. Step 2: Convert to fraction form
    9,359.22/12,909.30 = 6,373.86/x
  3. Step 3: Cross multiply
    9,359.22x = 12,909.30 × 6,373.86
  4. Step 4: Simplify right side
    9,359.22x = 82,282,070.90
  5. Step 5: Solve for x
    x = 82,282,070.90/9,359.22
  6. Step 6: Final answer
    x = 8,791.55

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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.