Home / 12,136.93-18,207.99-6,874.43

Finding the Fourth Proportional to 12,136.93, 18,207.99 and 6,874.43

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Solution

The fourth proportional to 12,136.93, 18,207.99 and 6,874.43 is: 10,313.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.93 : 18,207.99 = 6,874.43 : x
  2. Step 2: Convert to fraction form
    12,136.93/18,207.99 = 6,874.43/x
  3. Step 3: Cross multiply
    12,136.93x = 18,207.99 × 6,874.43
  4. Step 4: Simplify right side
    12,136.93x = 125,169,461.66
  5. Step 5: Solve for x
    x = 125,169,461.66/12,136.93
  6. Step 6: Final answer
    x = 10,313.11

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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.