Home / 13,444.38-20,151.62-10,146.78

Finding the Fourth Proportional to 13,444.38, 20,151.62 and 10,146.78

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Solution

The fourth proportional to 13,444.38, 20,151.62 and 10,146.78 is: 15,208.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.38 : 20,151.62 = 10,146.78 : x
  2. Step 2: Convert to fraction form
    13,444.38/20,151.62 = 10,146.78/x
  3. Step 3: Cross multiply
    13,444.38x = 20,151.62 × 10,146.78
  4. Step 4: Simplify right side
    13,444.38x = 204,474,054.78
  5. Step 5: Solve for x
    x = 204,474,054.78/13,444.38
  6. Step 6: Final answer
    x = 15,208.89

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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.