Home / 10,649.52-15,973.32-3,255.72

Finding the Fourth Proportional to 10,649.52, 15,973.32 and 3,255.72

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Solution

The fourth proportional to 10,649.52, 15,973.32 and 3,255.72 is: 4,883.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.52 : 15,973.32 = 3,255.72 : x
  2. Step 2: Convert to fraction form
    10,649.52/15,973.32 = 3,255.72/x
  3. Step 3: Cross multiply
    10,649.52x = 15,973.32 × 3,255.72
  4. Step 4: Simplify right side
    10,649.52x = 52,004,657.39
  5. Step 5: Solve for x
    x = 52,004,657.39/10,649.52
  6. Step 6: Final answer
    x = 4,883.29

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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.