Home / 13,474.45-20,211.66-4,114.51

Finding the Fourth Proportional to 13,474.45, 20,211.66 and 4,114.51

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Solution

The fourth proportional to 13,474.45, 20,211.66 and 4,114.51 is: 6,171.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.45 : 20,211.66 = 4,114.51 : x
  2. Step 2: Convert to fraction form
    13,474.45/20,211.66 = 4,114.51/x
  3. Step 3: Cross multiply
    13,474.45x = 20,211.66 × 4,114.51
  4. Step 4: Simplify right side
    13,474.45x = 83,161,077.19
  5. Step 5: Solve for x
    x = 83,161,077.19/13,474.45
  6. Step 6: Final answer
    x = 6,171.76

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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.