Home / 8,963.28-13,417.20-8,197.83

Finding the Fourth Proportional to 8,963.28, 13,417.20 and 8,197.83

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Solution

The fourth proportional to 8,963.28, 13,417.20 and 8,197.83 is: 12,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,963.28 : 13,417.20 = 8,197.83 : x
  2. Step 2: Convert to fraction form
    8,963.28/13,417.20 = 8,197.83/x
  3. Step 3: Cross multiply
    8,963.28x = 13,417.20 × 8,197.83
  4. Step 4: Simplify right side
    8,963.28x = 109,991,924.68
  5. Step 5: Solve for x
    x = 109,991,924.68/8,963.28
  6. Step 6: Final answer
    x = 12,271.39

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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.