Home / 10,389.75-14,338.26-6,200.43

Finding the Fourth Proportional to 10,389.75, 14,338.26 and 6,200.43

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Solution

The fourth proportional to 10,389.75, 14,338.26 and 6,200.43 is: 8,556.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,389.75 : 14,338.26 = 6,200.43 : x
  2. Step 2: Convert to fraction form
    10,389.75/14,338.26 = 6,200.43/x
  3. Step 3: Cross multiply
    10,389.75x = 14,338.26 × 6,200.43
  4. Step 4: Simplify right side
    10,389.75x = 88,903,377.45
  5. Step 5: Solve for x
    x = 88,903,377.45/10,389.75
  6. Step 6: Final answer
    x = 8,556.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.