Home / 10,112.54-13,949.79-6,334.89

Finding the Fourth Proportional to 10,112.54, 13,949.79 and 6,334.89

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Solution

The fourth proportional to 10,112.54, 13,949.79 and 6,334.89 is: 8,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.54 : 13,949.79 = 6,334.89 : x
  2. Step 2: Convert to fraction form
    10,112.54/13,949.79 = 6,334.89/x
  3. Step 3: Cross multiply
    10,112.54x = 13,949.79 × 6,334.89
  4. Step 4: Simplify right side
    10,112.54x = 88,370,385.17
  5. Step 5: Solve for x
    x = 88,370,385.17/10,112.54
  6. Step 6: Final answer
    x = 8,738.70

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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.