Home / 11,479.28-17,196.12-7,571.84

Finding the Fourth Proportional to 11,479.28, 17,196.12 and 7,571.84

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Solution

The fourth proportional to 11,479.28, 17,196.12 and 7,571.84 is: 11,342.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,479.28 : 17,196.12 = 7,571.84 : x
  2. Step 2: Convert to fraction form
    11,479.28/17,196.12 = 7,571.84/x
  3. Step 3: Cross multiply
    11,479.28x = 17,196.12 × 7,571.84
  4. Step 4: Simplify right side
    11,479.28x = 130,206,269.26
  5. Step 5: Solve for x
    x = 130,206,269.26/11,479.28
  6. Step 6: Final answer
    x = 11,342.72

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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.