Home / 10,390.95-15,584.87-3,371.56

Finding the Fourth Proportional to 10,390.95, 15,584.87 and 3,371.56

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Solution

The fourth proportional to 10,390.95, 15,584.87 and 3,371.56 is: 5,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,390.95 : 15,584.87 = 3,371.56 : x
  2. Step 2: Convert to fraction form
    10,390.95/15,584.87 = 3,371.56/x
  3. Step 3: Cross multiply
    10,390.95x = 15,584.87 × 3,371.56
  4. Step 4: Simplify right side
    10,390.95x = 52,545,293.76
  5. Step 5: Solve for x
    x = 52,545,293.76/10,390.95
  6. Step 6: Final answer
    x = 5,056.83

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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.