Home / 11,839.62-16,338.78-6,534.84

Finding the Fourth Proportional to 11,839.62, 16,338.78 and 6,534.84

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Solution

The fourth proportional to 11,839.62, 16,338.78 and 6,534.84 is: 9,018.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,839.62 : 16,338.78 = 6,534.84 : x
  2. Step 2: Convert to fraction form
    11,839.62/16,338.78 = 6,534.84/x
  3. Step 3: Cross multiply
    11,839.62x = 16,338.78 × 6,534.84
  4. Step 4: Simplify right side
    11,839.62x = 106,771,313.10
  5. Step 5: Solve for x
    x = 106,771,313.10/11,839.62
  6. Step 6: Final answer
    x = 9,018.14

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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.