Home / 18,213.72-25,132.26-10,254.36

Finding the Fourth Proportional to 18,213.72, 25,132.26 and 10,254.36

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Solution

The fourth proportional to 18,213.72, 25,132.26 and 10,254.36 is: 14,149.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,213.72 : 25,132.26 = 10,254.36 : x
  2. Step 2: Convert to fraction form
    18,213.72/25,132.26 = 10,254.36/x
  3. Step 3: Cross multiply
    18,213.72x = 25,132.26 × 10,254.36
  4. Step 4: Simplify right side
    18,213.72x = 257,715,241.65
  5. Step 5: Solve for x
    x = 257,715,241.65/18,213.72
  6. Step 6: Final answer
    x = 14,149.51

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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.