Home / 18,648.99-25,738.73-11,934.29

Finding the Fourth Proportional to 18,648.99, 25,738.73 and 11,934.29

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Solution

The fourth proportional to 18,648.99, 25,738.73 and 11,934.29 is: 16,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,648.99 : 25,738.73 = 11,934.29 : x
  2. Step 2: Convert to fraction form
    18,648.99/25,738.73 = 11,934.29/x
  3. Step 3: Cross multiply
    18,648.99x = 25,738.73 × 11,934.29
  4. Step 4: Simplify right side
    18,648.99x = 307,173,517.48
  5. Step 5: Solve for x
    x = 307,173,517.48/18,648.99
  6. Step 6: Final answer
    x = 16,471.32

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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.