Home / 17,511.20-24,169.36-11,136.56

Finding the Fourth Proportional to 17,511.20, 24,169.36 and 11,136.56

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Solution

The fourth proportional to 17,511.20, 24,169.36 and 11,136.56 is: 15,370.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,511.20 : 24,169.36 = 11,136.56 : x
  2. Step 2: Convert to fraction form
    17,511.20/24,169.36 = 11,136.56/x
  3. Step 3: Cross multiply
    17,511.20x = 24,169.36 × 11,136.56
  4. Step 4: Simplify right side
    17,511.20x = 269,163,527.80
  5. Step 5: Solve for x
    x = 269,163,527.80/17,511.20
  6. Step 6: Final answer
    x = 15,370.94

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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.