Home / 15,144.32-22,716.72-4,614.56

Finding the Fourth Proportional to 15,144.32, 22,716.72 and 4,614.56

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Solution

The fourth proportional to 15,144.32, 22,716.72 and 4,614.56 is: 6,921.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.32 : 22,716.72 = 4,614.56 : x
  2. Step 2: Convert to fraction form
    15,144.32/22,716.72 = 4,614.56/x
  3. Step 3: Cross multiply
    15,144.32x = 22,716.72 × 4,614.56
  4. Step 4: Simplify right side
    15,144.32x = 104,827,667.44
  5. Step 5: Solve for x
    x = 104,827,667.44/15,144.32
  6. Step 6: Final answer
    x = 6,921.91

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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.