Home / 11,136.25-16,689.75-6,208.21

Finding the Fourth Proportional to 11,136.25, 16,689.75 and 6,208.21

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Solution

The fourth proportional to 11,136.25, 16,689.75 and 6,208.21 is: 9,304.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.25 : 16,689.75 = 6,208.21 : x
  2. Step 2: Convert to fraction form
    11,136.25/16,689.75 = 6,208.21/x
  3. Step 3: Cross multiply
    11,136.25x = 16,689.75 × 6,208.21
  4. Step 4: Simplify right side
    11,136.25x = 103,613,472.85
  5. Step 5: Solve for x
    x = 103,613,472.85/11,136.25
  6. Step 6: Final answer
    x = 9,304.16

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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.