Home / 22,203.98-30,644.70-13,251.86

Finding the Fourth Proportional to 22,203.98, 30,644.70 and 13,251.86

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Solution

The fourth proportional to 22,203.98, 30,644.70 and 13,251.86 is: 18,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,203.98 : 30,644.70 = 13,251.86 : x
  2. Step 2: Convert to fraction form
    22,203.98/30,644.70 = 13,251.86/x
  3. Step 3: Cross multiply
    22,203.98x = 30,644.70 × 13,251.86
  4. Step 4: Simplify right side
    22,203.98x = 406,099,274.14
  5. Step 5: Solve for x
    x = 406,099,274.14/22,203.98
  6. Step 6: Final answer
    x = 18,289.48

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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.