Home / 18,113.49-27,169.32-4,965.87

Finding the Fourth Proportional to 18,113.49, 27,169.32 and 4,965.87

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Solution

The fourth proportional to 18,113.49, 27,169.32 and 4,965.87 is: 7,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,113.49 : 27,169.32 = 4,965.87 : x
  2. Step 2: Convert to fraction form
    18,113.49/27,169.32 = 4,965.87/x
  3. Step 3: Cross multiply
    18,113.49x = 27,169.32 × 4,965.87
  4. Step 4: Simplify right side
    18,113.49x = 134,919,311.11
  5. Step 5: Solve for x
    x = 134,919,311.11/18,113.49
  6. Step 6: Final answer
    x = 7,448.55

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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.