Home / 12,136.68-18,207.10-5,563.43

Finding the Fourth Proportional to 12,136.68, 18,207.10 and 5,563.43

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Solution

The fourth proportional to 12,136.68, 18,207.10 and 5,563.43 is: 8,346.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136.68 : 18,207.10 = 5,563.43 : x
  2. Step 2: Convert to fraction form
    12,136.68/18,207.10 = 5,563.43/x
  3. Step 3: Cross multiply
    12,136.68x = 18,207.10 × 5,563.43
  4. Step 4: Simplify right side
    12,136.68x = 101,293,971.87
  5. Step 5: Solve for x
    x = 101,293,971.87/12,136.68
  6. Step 6: Final answer
    x = 8,346.10

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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.