Home / 8,195.12-12,277.56-6,348.32

Finding the Fourth Proportional to 8,195.12, 12,277.56 and 6,348.32

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Solution

The fourth proportional to 8,195.12, 12,277.56 and 6,348.32 is: 9,510.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,195.12 : 12,277.56 = 6,348.32 : x
  2. Step 2: Convert to fraction form
    8,195.12/12,277.56 = 6,348.32/x
  3. Step 3: Cross multiply
    8,195.12x = 12,277.56 × 6,348.32
  4. Step 4: Simplify right side
    8,195.12x = 77,941,879.70
  5. Step 5: Solve for x
    x = 77,941,879.70/8,195.12
  6. Step 6: Final answer
    x = 9,510.77

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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.