Home / 18,189.34-25,099.48-10,231.38

Finding the Fourth Proportional to 18,189.34, 25,099.48 and 10,231.38

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Solution

The fourth proportional to 18,189.34, 25,099.48 and 10,231.38 is: 14,118.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,189.34 : 25,099.48 = 10,231.38 : x
  2. Step 2: Convert to fraction form
    18,189.34/25,099.48 = 10,231.38/x
  3. Step 3: Cross multiply
    18,189.34x = 25,099.48 × 10,231.38
  4. Step 4: Simplify right side
    18,189.34x = 256,802,317.68
  5. Step 5: Solve for x
    x = 256,802,317.68/18,189.34
  6. Step 6: Final answer
    x = 14,118.29

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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.