Home / 9,334.69-12,882.11-5,142.94

Finding the Fourth Proportional to 9,334.69, 12,882.11 and 5,142.94

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Solution

The fourth proportional to 9,334.69, 12,882.11 and 5,142.94 is: 7,097.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,334.69 : 12,882.11 = 5,142.94 : x
  2. Step 2: Convert to fraction form
    9,334.69/12,882.11 = 5,142.94/x
  3. Step 3: Cross multiply
    9,334.69x = 12,882.11 × 5,142.94
  4. Step 4: Simplify right side
    9,334.69x = 66,251,860.88
  5. Step 5: Solve for x
    x = 66,251,860.88/9,334.69
  6. Step 6: Final answer
    x = 7,097.38

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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.