Home / 18,176.38-27,244.92-7,643.95

Finding the Fourth Proportional to 18,176.38, 27,244.92 and 7,643.95

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Solution

The fourth proportional to 18,176.38, 27,244.92 and 7,643.95 is: 11,457.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,176.38 : 27,244.92 = 7,643.95 : x
  2. Step 2: Convert to fraction form
    18,176.38/27,244.92 = 7,643.95/x
  3. Step 3: Cross multiply
    18,176.38x = 27,244.92 × 7,643.95
  4. Step 4: Simplify right side
    18,176.38x = 208,258,806.23
  5. Step 5: Solve for x
    x = 208,258,806.23/18,176.38
  6. Step 6: Final answer
    x = 11,457.66

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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.