Home / 10,110.94-13,961.69-6,340.42

Finding the Fourth Proportional to 10,110.94, 13,961.69 and 6,340.42

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Solution

The fourth proportional to 10,110.94, 13,961.69 and 6,340.42 is: 8,755.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,110.94 : 13,961.69 = 6,340.42 : x
  2. Step 2: Convert to fraction form
    10,110.94/13,961.69 = 6,340.42/x
  3. Step 3: Cross multiply
    10,110.94x = 13,961.69 × 6,340.42
  4. Step 4: Simplify right side
    10,110.94x = 88,522,959.46
  5. Step 5: Solve for x
    x = 88,522,959.46/10,110.94
  6. Step 6: Final answer
    x = 8,755.17

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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.