Home / 20,180.38-30,298.66-10,326.46

Finding the Fourth Proportional to 20,180.38, 30,298.66 and 10,326.46

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Solution

The fourth proportional to 20,180.38, 30,298.66 and 10,326.46 is: 15,504.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,180.38 : 30,298.66 = 10,326.46 : x
  2. Step 2: Convert to fraction form
    20,180.38/30,298.66 = 10,326.46/x
  3. Step 3: Cross multiply
    20,180.38x = 30,298.66 × 10,326.46
  4. Step 4: Simplify right side
    20,180.38x = 312,877,900.54
  5. Step 5: Solve for x
    x = 312,877,900.54/20,180.38
  6. Step 6: Final answer
    x = 15,504.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.