Home / 10,366.38-15,544.80-3,345.12

Finding the Fourth Proportional to 10,366.38, 15,544.80 and 3,345.12

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Solution

The fourth proportional to 10,366.38, 15,544.80 and 3,345.12 is: 5,016.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,366.38 : 15,544.80 = 3,345.12 : x
  2. Step 2: Convert to fraction form
    10,366.38/15,544.80 = 3,345.12/x
  3. Step 3: Cross multiply
    10,366.38x = 15,544.80 × 3,345.12
  4. Step 4: Simplify right side
    10,366.38x = 51,999,221.38
  5. Step 5: Solve for x
    x = 51,999,221.38/10,366.38
  6. Step 6: Final answer
    x = 5,016.14

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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.