Home / 16,211.38-22,369.16-9,136.66

Finding the Fourth Proportional to 16,211.38, 22,369.16 and 9,136.66

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Solution

The fourth proportional to 16,211.38, 22,369.16 and 9,136.66 is: 12,607.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.38 : 22,369.16 = 9,136.66 : x
  2. Step 2: Convert to fraction form
    16,211.38/22,369.16 = 9,136.66/x
  3. Step 3: Cross multiply
    16,211.38x = 22,369.16 × 9,136.66
  4. Step 4: Simplify right side
    16,211.38x = 204,379,409.41
  5. Step 5: Solve for x
    x = 204,379,409.41/16,211.38
  6. Step 6: Final answer
    x = 12,607.16

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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.