Home / 8,267.28-12,373.25-6,786.45

Finding the Fourth Proportional to 8,267.28, 12,373.25 and 6,786.45

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Solution

The fourth proportional to 8,267.28, 12,373.25 and 6,786.45 is: 10,156.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.28 : 12,373.25 = 6,786.45 : x
  2. Step 2: Convert to fraction form
    8,267.28/12,373.25 = 6,786.45/x
  3. Step 3: Cross multiply
    8,267.28x = 12,373.25 × 6,786.45
  4. Step 4: Simplify right side
    8,267.28x = 83,970,408.53
  5. Step 5: Solve for x
    x = 83,970,408.53/8,267.28
  6. Step 6: Final answer
    x = 10,156.96

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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.