Home / 8,971.20-12,363.12-6,727.32

Finding the Fourth Proportional to 8,971.20, 12,363.12 and 6,727.32

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Solution

The fourth proportional to 8,971.20, 12,363.12 and 6,727.32 is: 9,270.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.20 : 12,363.12 = 6,727.32 : x
  2. Step 2: Convert to fraction form
    8,971.20/12,363.12 = 6,727.32/x
  3. Step 3: Cross multiply
    8,971.20x = 12,363.12 × 6,727.32
  4. Step 4: Simplify right side
    8,971.20x = 83,170,664.44
  5. Step 5: Solve for x
    x = 83,170,664.44/8,971.20
  6. Step 6: Final answer
    x = 9,270.85

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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.