Home / 15,253.28-22,865.91-5,255.64

Finding the Fourth Proportional to 15,253.28, 22,865.91 and 5,255.64

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Solution

The fourth proportional to 15,253.28, 22,865.91 and 5,255.64 is: 7,878.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,253.28 : 22,865.91 = 5,255.64 : x
  2. Step 2: Convert to fraction form
    15,253.28/22,865.91 = 5,255.64/x
  3. Step 3: Cross multiply
    15,253.28x = 22,865.91 × 5,255.64
  4. Step 4: Simplify right side
    15,253.28x = 120,175,057.27
  5. Step 5: Solve for x
    x = 120,175,057.27/15,253.28
  6. Step 6: Final answer
    x = 7,878.64

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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.