Home / 11,479.36-17,217.44-3,687.12

Finding the Fourth Proportional to 11,479.36, 17,217.44 and 3,687.12

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Solution

The fourth proportional to 11,479.36, 17,217.44 and 3,687.12 is: 5,530.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.36 : 17,217.44 = 3,687.12 : x
  2. Step 2: Convert to fraction form
    11,479.36/17,217.44 = 3,687.12/x
  3. Step 3: Cross multiply
    11,479.36x = 17,217.44 × 3,687.12
  4. Step 4: Simplify right side
    11,479.36x = 63,482,767.37
  5. Step 5: Solve for x
    x = 63,482,767.37/11,479.36
  6. Step 6: Final answer
    x = 5,530.17

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1.5x scale

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.