Home / 8,863.20-13,190.18-8,567.92

Finding the Fourth Proportional to 8,863.20, 13,190.18 and 8,567.92

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Solution

The fourth proportional to 8,863.20, 13,190.18 and 8,567.92 is: 12,750.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,863.20 : 13,190.18 = 8,567.92 : x
  2. Step 2: Convert to fraction form
    8,863.20/13,190.18 = 8,567.92/x
  3. Step 3: Cross multiply
    8,863.20x = 13,190.18 × 8,567.92
  4. Step 4: Simplify right side
    8,863.20x = 113,012,407.03
  5. Step 5: Solve for x
    x = 113,012,407.03/8,863.20
  6. Step 6: Final answer
    x = 12,750.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.