Home / 10,119.43-15,179.16-2,724.64

Finding the Fourth Proportional to 10,119.43, 15,179.16 and 2,724.64

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Solution

The fourth proportional to 10,119.43, 15,179.16 and 2,724.64 is: 4,086.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,119.43 : 15,179.16 = 2,724.64 : x
  2. Step 2: Convert to fraction form
    10,119.43/15,179.16 = 2,724.64/x
  3. Step 3: Cross multiply
    10,119.43x = 15,179.16 × 2,724.64
  4. Step 4: Simplify right side
    10,119.43x = 41,357,718.77
  5. Step 5: Solve for x
    x = 41,357,718.77/10,119.43
  6. Step 6: Final answer
    x = 4,086.96

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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.