Home / 18,144.12-25,039.02-10,186.44

Finding the Fourth Proportional to 18,144.12, 25,039.02 and 10,186.44

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Solution

The fourth proportional to 18,144.12, 25,039.02 and 10,186.44 is: 14,057.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,144.12 : 25,039.02 = 10,186.44 : x
  2. Step 2: Convert to fraction form
    18,144.12/25,039.02 = 10,186.44/x
  3. Step 3: Cross multiply
    18,144.12x = 25,039.02 × 10,186.44
  4. Step 4: Simplify right side
    18,144.12x = 255,058,474.89
  5. Step 5: Solve for x
    x = 255,058,474.89/18,144.12
  6. Step 6: Final answer
    x = 14,057.36

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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.