Home / 15,001.06-20,701.29-10,286.86

Finding the Fourth Proportional to 15,001.06, 20,701.29 and 10,286.86

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Solution

The fourth proportional to 15,001.06, 20,701.29 and 10,286.86 is: 14,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,001.06 : 20,701.29 = 10,286.86 : x
  2. Step 2: Convert to fraction form
    15,001.06/20,701.29 = 10,286.86/x
  3. Step 3: Cross multiply
    15,001.06x = 20,701.29 × 10,286.86
  4. Step 4: Simplify right side
    15,001.06x = 212,951,272.05
  5. Step 5: Solve for x
    x = 212,951,272.05/15,001.06
  6. Step 6: Final answer
    x = 14,195.75

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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.