Home / 13,962.79-20,944.46-11,176.53

Finding the Fourth Proportional to 13,962.79, 20,944.46 and 11,176.53

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Solution

The fourth proportional to 13,962.79, 20,944.46 and 11,176.53 is: 16,765.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,962.79 : 20,944.46 = 11,176.53 : x
  2. Step 2: Convert to fraction form
    13,962.79/20,944.46 = 11,176.53/x
  3. Step 3: Cross multiply
    13,962.79x = 20,944.46 × 11,176.53
  4. Step 4: Simplify right side
    13,962.79x = 234,086,385.52
  5. Step 5: Solve for x
    x = 234,086,385.52/13,962.79
  6. Step 6: Final answer
    x = 16,765.02

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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.