Home / 13,414.52-18,512.97-7,751.18

Finding the Fourth Proportional to 13,414.52, 18,512.97 and 7,751.18

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Solution

The fourth proportional to 13,414.52, 18,512.97 and 7,751.18 is: 10,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,414.52 : 18,512.97 = 7,751.18 : x
  2. Step 2: Convert to fraction form
    13,414.52/18,512.97 = 7,751.18/x
  3. Step 3: Cross multiply
    13,414.52x = 18,512.97 × 7,751.18
  4. Step 4: Simplify right side
    13,414.52x = 143,497,362.80
  5. Step 5: Solve for x
    x = 143,497,362.80/13,414.52
  6. Step 6: Final answer
    x = 10,697.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.