Home / 10,918.38-15,065.55-6,200.94

Finding the Fourth Proportional to 10,918.38, 15,065.55 and 6,200.94

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Solution

The fourth proportional to 10,918.38, 15,065.55 and 6,200.94 is: 8,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,918.38 : 15,065.55 = 6,200.94 : x
  2. Step 2: Convert to fraction form
    10,918.38/15,065.55 = 6,200.94/x
  3. Step 3: Cross multiply
    10,918.38x = 15,065.55 × 6,200.94
  4. Step 4: Simplify right side
    10,918.38x = 93,420,571.62
  5. Step 5: Solve for x
    x = 93,420,571.62/10,918.38
  6. Step 6: Final answer
    x = 8,556.27

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1.5x scale

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.