Home / 18,131.18-25,021.47-10,173.62

Finding the Fourth Proportional to 18,131.18, 25,021.47 and 10,173.62

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Solution

The fourth proportional to 18,131.18, 25,021.47 and 10,173.62 is: 14,039.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,131.18 : 25,021.47 = 10,173.62 : x
  2. Step 2: Convert to fraction form
    18,131.18/25,021.47 = 10,173.62/x
  3. Step 3: Cross multiply
    18,131.18x = 25,021.47 × 10,173.62
  4. Step 4: Simplify right side
    18,131.18x = 254,558,927.62
  5. Step 5: Solve for x
    x = 254,558,927.62/18,131.18
  6. Step 6: Final answer
    x = 14,039.84

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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.