Home / 10,644.05-15,965.97-3,624.78

Finding the Fourth Proportional to 10,644.05, 15,965.97 and 3,624.78

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Solution

The fourth proportional to 10,644.05, 15,965.97 and 3,624.78 is: 5,437.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.05 : 15,965.97 = 3,624.78 : x
  2. Step 2: Convert to fraction form
    10,644.05/15,965.97 = 3,624.78/x
  3. Step 3: Cross multiply
    10,644.05x = 15,965.97 × 3,624.78
  4. Step 4: Simplify right side
    10,644.05x = 57,873,128.74
  5. Step 5: Solve for x
    x = 57,873,128.74/10,644.05
  6. Step 6: Final answer
    x = 5,437.14

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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.