Home / 9,949.28-13,724.55-6,171.14

Finding the Fourth Proportional to 9,949.28, 13,724.55 and 6,171.14

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Solution

The fourth proportional to 9,949.28, 13,724.55 and 6,171.14 is: 8,512.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,949.28 : 13,724.55 = 6,171.14 : x
  2. Step 2: Convert to fraction form
    9,949.28/13,724.55 = 6,171.14/x
  3. Step 3: Cross multiply
    9,949.28x = 13,724.55 × 6,171.14
  4. Step 4: Simplify right side
    9,949.28x = 84,696,119.49
  5. Step 5: Solve for x
    x = 84,696,119.49/9,949.28
  6. Step 6: Final answer
    x = 8,512.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.