Home / 18,309.53-27,389.09-14,618.97

Finding the Fourth Proportional to 18,309.53, 27,389.09 and 14,618.97

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Solution

The fourth proportional to 18,309.53, 27,389.09 and 14,618.97 is: 21,868.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,309.53 : 27,389.09 = 14,618.97 : x
  2. Step 2: Convert to fraction form
    18,309.53/27,389.09 = 14,618.97/x
  3. Step 3: Cross multiply
    18,309.53x = 27,389.09 × 14,618.97
  4. Step 4: Simplify right side
    18,309.53x = 400,400,211.94
  5. Step 5: Solve for x
    x = 400,400,211.94/18,309.53
  6. Step 6: Final answer
    x = 21,868.41

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1.5x scale

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.