Home / 10,106.70-13,947.27-6,126.78

Finding the Fourth Proportional to 10,106.70, 13,947.27 and 6,126.78

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Solution

The fourth proportional to 10,106.70, 13,947.27 and 6,126.78 is: 8,454.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,106.70 : 13,947.27 = 6,126.78 : x
  2. Step 2: Convert to fraction form
    10,106.70/13,947.27 = 6,126.78/x
  3. Step 3: Cross multiply
    10,106.70x = 13,947.27 × 6,126.78
  4. Step 4: Simplify right side
    10,106.70x = 85,451,854.89
  5. Step 5: Solve for x
    x = 85,451,854.89/10,106.70
  6. Step 6: Final answer
    x = 8,454.97

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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.