Home / 9,971.28-14,956.92-3,394.08

Finding the Fourth Proportional to 9,971.28, 14,956.92 and 3,394.08

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Solution

The fourth proportional to 9,971.28, 14,956.92 and 3,394.08 is: 5,091.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,971.28 : 14,956.92 = 3,394.08 : x
  2. Step 2: Convert to fraction form
    9,971.28/14,956.92 = 3,394.08/x
  3. Step 3: Cross multiply
    9,971.28x = 14,956.92 × 3,394.08
  4. Step 4: Simplify right side
    9,971.28x = 50,764,983.03
  5. Step 5: Solve for x
    x = 50,764,983.03/9,971.28
  6. Step 6: Final answer
    x = 5,091.12

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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.