Home / 10,578.71-15,868.87-3,558.75

Finding the Fourth Proportional to 10,578.71, 15,868.87 and 3,558.75

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Solution

The fourth proportional to 10,578.71, 15,868.87 and 3,558.75 is: 5,338.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.71 : 15,868.87 = 3,558.75 : x
  2. Step 2: Convert to fraction form
    10,578.71/15,868.87 = 3,558.75/x
  3. Step 3: Cross multiply
    10,578.71x = 15,868.87 × 3,558.75
  4. Step 4: Simplify right side
    10,578.71x = 56,473,272.71
  5. Step 5: Solve for x
    x = 56,473,272.71/10,578.71
  6. Step 6: Final answer
    x = 5,338.39

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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.