Home / 18,301.54-25,258.84-11,587.79

Finding the Fourth Proportional to 18,301.54, 25,258.84 and 11,587.79

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Solution

The fourth proportional to 18,301.54, 25,258.84 and 11,587.79 is: 15,992.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,301.54 : 25,258.84 = 11,587.79 : x
  2. Step 2: Convert to fraction form
    18,301.54/25,258.84 = 11,587.79/x
  3. Step 3: Cross multiply
    18,301.54x = 25,258.84 × 11,587.79
  4. Step 4: Simplify right side
    18,301.54x = 292,694,167.74
  5. Step 5: Solve for x
    x = 292,694,167.74/18,301.54
  6. Step 6: Final answer
    x = 15,992.87

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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.