Home / 18,324.38-25,287.65-10,366.47

Finding the Fourth Proportional to 18,324.38, 25,287.65 and 10,366.47

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Solution

The fourth proportional to 18,324.38, 25,287.65 and 10,366.47 is: 14,305.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,324.38 : 25,287.65 = 10,366.47 : x
  2. Step 2: Convert to fraction form
    18,324.38/25,287.65 = 10,366.47/x
  3. Step 3: Cross multiply
    18,324.38x = 25,287.65 × 10,366.47
  4. Step 4: Simplify right side
    18,324.38x = 262,143,613.26
  5. Step 5: Solve for x
    x = 262,143,613.26/18,324.38
  6. Step 6: Final answer
    x = 14,305.73

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1.5x scale

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.