Home / 10,578.18-15,867.96-3,558.87

Finding the Fourth Proportional to 10,578.18, 15,867.96 and 3,558.87

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Solution

The fourth proportional to 10,578.18, 15,867.96 and 3,558.87 is: 5,338.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.18 : 15,867.96 = 3,558.87 : x
  2. Step 2: Convert to fraction form
    10,578.18/15,867.96 = 3,558.87/x
  3. Step 3: Cross multiply
    10,578.18x = 15,867.96 × 3,558.87
  4. Step 4: Simplify right side
    10,578.18x = 56,472,006.81
  5. Step 5: Solve for x
    x = 56,472,006.81/10,578.18
  6. Step 6: Final answer
    x = 5,338.54

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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.