Home / 22,213.44-30,647.20-14,663.52

Finding the Fourth Proportional to 22,213.44, 30,647.20 and 14,663.52

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Solution

The fourth proportional to 22,213.44, 30,647.20 and 14,663.52 is: 20,230.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,213.44 : 30,647.20 = 14,663.52 : x
  2. Step 2: Convert to fraction form
    22,213.44/30,647.20 = 14,663.52/x
  3. Step 3: Cross multiply
    22,213.44x = 30,647.20 × 14,663.52
  4. Step 4: Simplify right side
    22,213.44x = 449,395,830.14
  5. Step 5: Solve for x
    x = 449,395,830.14/22,213.44
  6. Step 6: Final answer
    x = 20,230.81

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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.