Home / 10,111.26-15,167.67-3,445.70

Finding the Fourth Proportional to 10,111.26, 15,167.67 and 3,445.70

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Solution

The fourth proportional to 10,111.26, 15,167.67 and 3,445.70 is: 5,168.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,111.26 : 15,167.67 = 3,445.70 : x
  2. Step 2: Convert to fraction form
    10,111.26/15,167.67 = 3,445.70/x
  3. Step 3: Cross multiply
    10,111.26x = 15,167.67 × 3,445.70
  4. Step 4: Simplify right side
    10,111.26x = 52,263,223.29
  5. Step 5: Solve for x
    x = 52,263,223.29/10,111.26
  6. Step 6: Final answer
    x = 5,168.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.