Home / 10,578.36-15,868.34-3,558.39

Finding the Fourth Proportional to 10,578.36, 15,868.34 and 3,558.39

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Solution

The fourth proportional to 10,578.36, 15,868.34 and 3,558.39 is: 5,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.36 : 15,868.34 = 3,558.39 : x
  2. Step 2: Convert to fraction form
    10,578.36/15,868.34 = 3,558.39/x
  3. Step 3: Cross multiply
    10,578.36x = 15,868.34 × 3,558.39
  4. Step 4: Simplify right side
    10,578.36x = 56,465,724.58
  5. Step 5: Solve for x
    x = 56,465,724.58/10,578.36
  6. Step 6: Final answer
    x = 5,337.85

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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.