Home / 13,593.26-18,749.22-13,136.05

Finding the Fourth Proportional to 13,593.26, 18,749.22 and 13,136.05

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Solution

The fourth proportional to 13,593.26, 18,749.22 and 13,136.05 is: 18,118.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,593.26 : 18,749.22 = 13,136.05 : x
  2. Step 2: Convert to fraction form
    13,593.26/18,749.22 = 13,136.05/x
  3. Step 3: Cross multiply
    13,593.26x = 18,749.22 × 13,136.05
  4. Step 4: Simplify right side
    13,593.26x = 246,290,691.38
  5. Step 5: Solve for x
    x = 246,290,691.38/13,593.26
  6. Step 6: Final answer
    x = 18,118.59

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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.