Home / 22,039.48-30,414.54-11,967.94

Finding the Fourth Proportional to 22,039.48, 30,414.54 and 11,967.94

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Solution

The fourth proportional to 22,039.48, 30,414.54 and 11,967.94 is: 16,515.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,039.48 : 30,414.54 = 11,967.94 : x
  2. Step 2: Convert to fraction form
    22,039.48/30,414.54 = 11,967.94/x
  3. Step 3: Cross multiply
    22,039.48x = 30,414.54 × 11,967.94
  4. Step 4: Simplify right side
    22,039.48x = 363,999,389.85
  5. Step 5: Solve for x
    x = 363,999,389.85/22,039.48
  6. Step 6: Final answer
    x = 16,515.79

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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.