Home / 8,997.80-12,414.76-6,765.04

Finding the Fourth Proportional to 8,997.80, 12,414.76 and 6,765.04

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Solution

The fourth proportional to 8,997.80, 12,414.76 and 6,765.04 is: 9,334.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.80 : 12,414.76 = 6,765.04 : x
  2. Step 2: Convert to fraction form
    8,997.80/12,414.76 = 6,765.04/x
  3. Step 3: Cross multiply
    8,997.80x = 12,414.76 × 6,765.04
  4. Step 4: Simplify right side
    8,997.80x = 83,986,347.99
  5. Step 5: Solve for x
    x = 83,986,347.99/8,997.80
  6. Step 6: Final answer
    x = 9,334.10

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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.