Home / 18,379.28-25,365.66-10,825.22

Finding the Fourth Proportional to 18,379.28, 25,365.66 and 10,825.22

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Solution

The fourth proportional to 18,379.28, 25,365.66 and 10,825.22 is: 14,940.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,379.28 : 25,365.66 = 10,825.22 : x
  2. Step 2: Convert to fraction form
    18,379.28/25,365.66 = 10,825.22/x
  3. Step 3: Cross multiply
    18,379.28x = 25,365.66 × 10,825.22
  4. Step 4: Simplify right side
    18,379.28x = 274,588,849.95
  5. Step 5: Solve for x
    x = 274,588,849.95/18,379.28
  6. Step 6: Final answer
    x = 14,940.13

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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.