Home / 10,272.90-15,411.12-3,252.81

Finding the Fourth Proportional to 10,272.90, 15,411.12 and 3,252.81

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Solution

The fourth proportional to 10,272.90, 15,411.12 and 3,252.81 is: 4,879.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.90 : 15,411.12 = 3,252.81 : x
  2. Step 2: Convert to fraction form
    10,272.90/15,411.12 = 3,252.81/x
  3. Step 3: Cross multiply
    10,272.90x = 15,411.12 × 3,252.81
  4. Step 4: Simplify right side
    10,272.90x = 50,129,445.25
  5. Step 5: Solve for x
    x = 50,129,445.25/10,272.90
  6. Step 6: Final answer
    x = 4,879.78

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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.