Home / 18,760.13-25,889.46-11,308.61

Finding the Fourth Proportional to 18,760.13, 25,889.46 and 11,308.61

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Solution

The fourth proportional to 18,760.13, 25,889.46 and 11,308.61 is: 15,606.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.13 : 25,889.46 = 11,308.61 : x
  2. Step 2: Convert to fraction form
    18,760.13/25,889.46 = 11,308.61/x
  3. Step 3: Cross multiply
    18,760.13x = 25,889.46 × 11,308.61
  4. Step 4: Simplify right side
    18,760.13x = 292,773,676.80
  5. Step 5: Solve for x
    x = 292,773,676.80/18,760.13
  6. Step 6: Final answer
    x = 15,606.17

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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.