Home / 15,147.38-22,723.60-4,758.50

Finding the Fourth Proportional to 15,147.38, 22,723.60 and 4,758.50

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Solution

The fourth proportional to 15,147.38, 22,723.60 and 4,758.50 is: 7,138.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,147.38 : 22,723.60 = 4,758.50 : x
  2. Step 2: Convert to fraction form
    15,147.38/22,723.60 = 4,758.50/x
  3. Step 3: Cross multiply
    15,147.38x = 22,723.60 × 4,758.50
  4. Step 4: Simplify right side
    15,147.38x = 108,130,250.60
  5. Step 5: Solve for x
    x = 108,130,250.60/15,147.38
  6. Step 6: Final answer
    x = 7,138.54

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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.