Home / 14,157.91-21,236.73-3,769.66

Finding the Fourth Proportional to 14,157.91, 21,236.73 and 3,769.66

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Solution

The fourth proportional to 14,157.91, 21,236.73 and 3,769.66 is: 5,654.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.91 : 21,236.73 = 3,769.66 : x
  2. Step 2: Convert to fraction form
    14,157.91/21,236.73 = 3,769.66/x
  3. Step 3: Cross multiply
    14,157.91x = 21,236.73 × 3,769.66
  4. Step 4: Simplify right side
    14,157.91x = 80,055,251.61
  5. Step 5: Solve for x
    x = 80,055,251.61/14,157.91
  6. Step 6: Final answer
    x = 5,654.45

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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.