Home / 22,203.91-30,627.07-13,244.50

Finding the Fourth Proportional to 22,203.91, 30,627.07 and 13,244.50

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Solution

The fourth proportional to 22,203.91, 30,627.07 and 13,244.50 is: 18,268.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.91 : 30,627.07 = 13,244.50 : x
  2. Step 2: Convert to fraction form
    22,203.91/30,627.07 = 13,244.50/x
  3. Step 3: Cross multiply
    22,203.91x = 30,627.07 × 13,244.50
  4. Step 4: Simplify right side
    22,203.91x = 405,640,228.62
  5. Step 5: Solve for x
    x = 405,640,228.62/22,203.91
  6. Step 6: Final answer
    x = 18,268.86

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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.