Home / 11,136.29-16,707.50-9,912.25

Finding the Fourth Proportional to 11,136.29, 16,707.50 and 9,912.25

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Solution

The fourth proportional to 11,136.29, 16,707.50 and 9,912.25 is: 14,871.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,136.29 : 16,707.50 = 9,912.25 : x
  2. Step 2: Convert to fraction form
    11,136.29/16,707.50 = 9,912.25/x
  3. Step 3: Cross multiply
    11,136.29x = 16,707.50 × 9,912.25
  4. Step 4: Simplify right side
    11,136.29x = 165,608,920.20
  5. Step 5: Solve for x
    x = 165,608,920.20/11,136.29
  6. Step 6: Final answer
    x = 14,871.11

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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.