Home / 10,476.40-15,715.62-3,453.58

Finding the Fourth Proportional to 10,476.40, 15,715.62 and 3,453.58

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Solution

The fourth proportional to 10,476.40, 15,715.62 and 3,453.58 is: 5,180.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,476.40 : 15,715.62 = 3,453.58 : x
  2. Step 2: Convert to fraction form
    10,476.40/15,715.62 = 3,453.58/x
  3. Step 3: Cross multiply
    10,476.40x = 15,715.62 × 3,453.58
  4. Step 4: Simplify right side
    10,476.40x = 54,275,150.92
  5. Step 5: Solve for x
    x = 54,275,150.92/10,476.40
  6. Step 6: Final answer
    x = 5,180.71

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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.