Home / 13,474.11-20,210.72-4,113.75

Finding the Fourth Proportional to 13,474.11, 20,210.72 and 4,113.75

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Solution

The fourth proportional to 13,474.11, 20,210.72 and 4,113.75 is: 6,170.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,474.11 : 20,210.72 = 4,113.75 : x
  2. Step 2: Convert to fraction form
    13,474.11/20,210.72 = 4,113.75/x
  3. Step 3: Cross multiply
    13,474.11x = 20,210.72 × 4,113.75
  4. Step 4: Simplify right side
    13,474.11x = 83,141,904.62
  5. Step 5: Solve for x
    x = 83,141,904.62/13,474.11
  6. Step 6: Final answer
    x = 6,170.49

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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.