Home / 18,181.10-25,086.30-10,223.12

Finding the Fourth Proportional to 18,181.10, 25,086.30 and 10,223.12

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Solution

The fourth proportional to 18,181.10, 25,086.30 and 10,223.12 is: 14,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,181.10 : 25,086.30 = 10,223.12 : x
  2. Step 2: Convert to fraction form
    18,181.10/25,086.30 = 10,223.12/x
  3. Step 3: Cross multiply
    18,181.10x = 25,086.30 × 10,223.12
  4. Step 4: Simplify right side
    18,181.10x = 256,460,255.26
  5. Step 5: Solve for x
    x = 256,460,255.26/18,181.10
  6. Step 6: Final answer
    x = 14,105.87

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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.