Home / 10,109.41-13,951.11-5,633.26

Finding the Fourth Proportional to 10,109.41, 13,951.11 and 5,633.26

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Solution

The fourth proportional to 10,109.41, 13,951.11 and 5,633.26 is: 7,773.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.41 : 13,951.11 = 5,633.26 : x
  2. Step 2: Convert to fraction form
    10,109.41/13,951.11 = 5,633.26/x
  3. Step 3: Cross multiply
    10,109.41x = 13,951.11 × 5,633.26
  4. Step 4: Simplify right side
    10,109.41x = 78,590,229.92
  5. Step 5: Solve for x
    x = 78,590,229.92/10,109.41
  6. Step 6: Final answer
    x = 7,773.97

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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.