Home / 10,319.78-15,469.17-4,071.22

Finding the Fourth Proportional to 10,319.78, 15,469.17 and 4,071.22

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Solution

The fourth proportional to 10,319.78, 15,469.17 and 4,071.22 is: 6,102.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,319.78 : 15,469.17 = 4,071.22 : x
  2. Step 2: Convert to fraction form
    10,319.78/15,469.17 = 4,071.22/x
  3. Step 3: Cross multiply
    10,319.78x = 15,469.17 × 4,071.22
  4. Step 4: Simplify right side
    10,319.78x = 62,978,340.35
  5. Step 5: Solve for x
    x = 62,978,340.35/10,319.78
  6. Step 6: Final answer
    x = 6,102.68

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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.