Home / 10,943.80-16,404.90-5,392.60

Finding the Fourth Proportional to 10,943.80, 16,404.90 and 5,392.60

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Solution

The fourth proportional to 10,943.80, 16,404.90 and 5,392.60 is: 8,083.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943.80 : 16,404.90 = 5,392.60 : x
  2. Step 2: Convert to fraction form
    10,943.80/16,404.90 = 5,392.60/x
  3. Step 3: Cross multiply
    10,943.80x = 16,404.90 × 5,392.60
  4. Step 4: Simplify right side
    10,943.80x = 88,465,063.74
  5. Step 5: Solve for x
    x = 88,465,063.74/10,943.80
  6. Step 6: Final answer
    x = 8,083.58

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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.