Home / 12,136.12-16,747.66-6,830.92

Finding the Fourth Proportional to 12,136.12, 16,747.66 and 6,830.92

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Solution

The fourth proportional to 12,136.12, 16,747.66 and 6,830.92 is: 9,426.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.12 : 16,747.66 = 6,830.92 : x
  2. Step 2: Convert to fraction form
    12,136.12/16,747.66 = 6,830.92/x
  3. Step 3: Cross multiply
    12,136.12x = 16,747.66 × 6,830.92
  4. Step 4: Simplify right side
    12,136.12x = 114,401,925.65
  5. Step 5: Solve for x
    x = 114,401,925.65/12,136.12
  6. Step 6: Final answer
    x = 9,426.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.