Home / 10,112.94-13,951.85-6,132.60

Finding the Fourth Proportional to 10,112.94, 13,951.85 and 6,132.60

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Solution

The fourth proportional to 10,112.94, 13,951.85 and 6,132.60 is: 8,460.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,112.94 : 13,951.85 = 6,132.60 : x
  2. Step 2: Convert to fraction form
    10,112.94/13,951.85 = 6,132.60/x
  3. Step 3: Cross multiply
    10,112.94x = 13,951.85 × 6,132.60
  4. Step 4: Simplify right side
    10,112.94x = 85,561,084.65
  5. Step 5: Solve for x
    x = 85,561,084.65/10,112.94
  6. Step 6: Final answer
    x = 8,460.55

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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.