Home / 18,668.33-25,726.85-13,353.92

Finding the Fourth Proportional to 18,668.33, 25,726.85 and 13,353.92

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Solution

The fourth proportional to 18,668.33, 25,726.85 and 13,353.92 is: 18,403.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,668.33 : 25,726.85 = 13,353.92 : x
  2. Step 2: Convert to fraction form
    18,668.33/25,726.85 = 13,353.92/x
  3. Step 3: Cross multiply
    18,668.33x = 25,726.85 × 13,353.92
  4. Step 4: Simplify right side
    18,668.33x = 343,554,101.35
  5. Step 5: Solve for x
    x = 343,554,101.35/18,668.33
  6. Step 6: Final answer
    x = 18,403.05

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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.