Home / 18,743.68-25,866.12-10,360

Finding the Fourth Proportional to 18,743.68, 25,866.12 and 10,360

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Solution

The fourth proportional to 18,743.68, 25,866.12 and 10,360 is: 14,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,743.68 : 25,866.12 = 10,360 : x
  2. Step 2: Convert to fraction form
    18,743.68/25,866.12 = 10,360/x
  3. Step 3: Cross multiply
    18,743.68x = 25,866.12 × 10,360
  4. Step 4: Simplify right side
    18,743.68x = 267,973,003.20
  5. Step 5: Solve for x
    x = 267,973,003.20/18,743.68
  6. Step 6: Final answer
    x = 14,296.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.