Home / 22,219.48-30,659.94-14,272.48

Finding the Fourth Proportional to 22,219.48, 30,659.94 and 14,272.48

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Solution

The fourth proportional to 22,219.48, 30,659.94 and 14,272.48 is: 19,694.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,219.48 : 30,659.94 = 14,272.48 : x
  2. Step 2: Convert to fraction form
    22,219.48/30,659.94 = 14,272.48/x
  3. Step 3: Cross multiply
    22,219.48x = 30,659.94 × 14,272.48
  4. Step 4: Simplify right side
    22,219.48x = 437,593,380.45
  5. Step 5: Solve for x
    x = 437,593,380.45/22,219.48
  6. Step 6: Final answer
    x = 19,694.13

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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.