Home / 18,117.46-27,175.29-4,969.90

Finding the Fourth Proportional to 18,117.46, 27,175.29 and 4,969.90

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Solution

The fourth proportional to 18,117.46, 27,175.29 and 4,969.90 is: 7,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.46 : 27,175.29 = 4,969.90 : x
  2. Step 2: Convert to fraction form
    18,117.46/27,175.29 = 4,969.90/x
  3. Step 3: Cross multiply
    18,117.46x = 27,175.29 × 4,969.90
  4. Step 4: Simplify right side
    18,117.46x = 135,058,473.77
  5. Step 5: Solve for x
    x = 135,058,473.77/18,117.46
  6. Step 6: Final answer
    x = 7,454.60

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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.