Home / 13,962.60-20,943.90-5,195.70

Finding the Fourth Proportional to 13,962.60, 20,943.90 and 5,195.70

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Solution

The fourth proportional to 13,962.60, 20,943.90 and 5,195.70 is: 7,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.60 : 20,943.90 = 5,195.70 : x
  2. Step 2: Convert to fraction form
    13,962.60/20,943.90 = 5,195.70/x
  3. Step 3: Cross multiply
    13,962.60x = 20,943.90 × 5,195.70
  4. Step 4: Simplify right side
    13,962.60x = 108,818,221.23
  5. Step 5: Solve for x
    x = 108,818,221.23/13,962.60
  6. Step 6: Final answer
    x = 7,793.55

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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.