Home / 13,972.62-20,961.01-4,613.63

Finding the Fourth Proportional to 13,972.62, 20,961.01 and 4,613.63

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Solution

The fourth proportional to 13,972.62, 20,961.01 and 4,613.63 is: 6,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.62 : 20,961.01 = 4,613.63 : x
  2. Step 2: Convert to fraction form
    13,972.62/20,961.01 = 4,613.63/x
  3. Step 3: Cross multiply
    13,972.62x = 20,961.01 × 4,613.63
  4. Step 4: Simplify right side
    13,972.62x = 96,706,245.53
  5. Step 5: Solve for x
    x = 96,706,245.53/13,972.62
  6. Step 6: Final answer
    x = 6,921.13

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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.