Home / 19,971.44-29,956.92-5,179.04

Finding the Fourth Proportional to 19,971.44, 29,956.92 and 5,179.04

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Solution

The fourth proportional to 19,971.44, 29,956.92 and 5,179.04 is: 7,768.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,971.44 : 29,956.92 = 5,179.04 : x
  2. Step 2: Convert to fraction form
    19,971.44/29,956.92 = 5,179.04/x
  3. Step 3: Cross multiply
    19,971.44x = 29,956.92 × 5,179.04
  4. Step 4: Simplify right side
    19,971.44x = 155,148,086.96
  5. Step 5: Solve for x
    x = 155,148,086.96/19,971.44
  6. Step 6: Final answer
    x = 7,768.50

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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.