Home / 18,131.48-25,021.51-10,173.18

Finding the Fourth Proportional to 18,131.48, 25,021.51 and 10,173.18

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Solution

The fourth proportional to 18,131.48, 25,021.51 and 10,173.18 is: 14,039.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.48 : 25,021.51 = 10,173.18 : x
  2. Step 2: Convert to fraction form
    18,131.48/25,021.51 = 10,173.18/x
  3. Step 3: Cross multiply
    18,131.48x = 25,021.51 × 10,173.18
  4. Step 4: Simplify right side
    18,131.48x = 254,548,299.67
  5. Step 5: Solve for x
    x = 254,548,299.67/18,131.48
  6. Step 6: Final answer
    x = 14,039.03

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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.