Home / 13,926.04-20,874.30-8,660.92

Finding the Fourth Proportional to 13,926.04, 20,874.30 and 8,660.92

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Solution

The fourth proportional to 13,926.04, 20,874.30 and 8,660.92 is: 12,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.04 : 20,874.30 = 8,660.92 : x
  2. Step 2: Convert to fraction form
    13,926.04/20,874.30 = 8,660.92/x
  3. Step 3: Cross multiply
    13,926.04x = 20,874.30 × 8,660.92
  4. Step 4: Simplify right side
    13,926.04x = 180,790,642.36
  5. Step 5: Solve for x
    x = 180,790,642.36/13,926.04
  6. Step 6: Final answer
    x = 12,982.20

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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.