Home / 8,781.32-13,182.27-6,933.68

Finding the Fourth Proportional to 8,781.32, 13,182.27 and 6,933.68

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Solution

The fourth proportional to 8,781.32, 13,182.27 and 6,933.68 is: 10,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,781.32 : 13,182.27 = 6,933.68 : x
  2. Step 2: Convert to fraction form
    8,781.32/13,182.27 = 6,933.68/x
  3. Step 3: Cross multiply
    8,781.32x = 13,182.27 × 6,933.68
  4. Step 4: Simplify right side
    8,781.32x = 91,401,641.85
  5. Step 5: Solve for x
    x = 91,401,641.85/8,781.32
  6. Step 6: Final answer
    x = 10,408.64

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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.