Home / 18,609.75-25,682.67-11,540.88

Finding the Fourth Proportional to 18,609.75, 25,682.67 and 11,540.88

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Solution

The fourth proportional to 18,609.75, 25,682.67 and 11,540.88 is: 15,927.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,609.75 : 25,682.67 = 11,540.88 : x
  2. Step 2: Convert to fraction form
    18,609.75/25,682.67 = 11,540.88/x
  3. Step 3: Cross multiply
    18,609.75x = 25,682.67 × 11,540.88
  4. Step 4: Simplify right side
    18,609.75x = 296,400,612.55
  5. Step 5: Solve for x
    x = 296,400,612.55/18,609.75
  6. Step 6: Final answer
    x = 15,927.17

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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.