Home / 18,339.46-25,308.56-10,786.11

Finding the Fourth Proportional to 18,339.46, 25,308.56 and 10,786.11

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Solution

The fourth proportional to 18,339.46, 25,308.56 and 10,786.11 is: 14,884.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.46 : 25,308.56 = 10,786.11 : x
  2. Step 2: Convert to fraction form
    18,339.46/25,308.56 = 10,786.11/x
  3. Step 3: Cross multiply
    18,339.46x = 25,308.56 × 10,786.11
  4. Step 4: Simplify right side
    18,339.46x = 272,981,001.69
  5. Step 5: Solve for x
    x = 272,981,001.69/18,339.46
  6. Step 6: Final answer
    x = 14,884.90

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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.