Home / 22,398.20-30,909.54-12,327.37

Finding the Fourth Proportional to 22,398.20, 30,909.54 and 12,327.37

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Solution

The fourth proportional to 22,398.20, 30,909.54 and 12,327.37 is: 17,011.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.20 : 30,909.54 = 12,327.37 : x
  2. Step 2: Convert to fraction form
    22,398.20/30,909.54 = 12,327.37/x
  3. Step 3: Cross multiply
    22,398.20x = 30,909.54 × 12,327.37
  4. Step 4: Simplify right side
    22,398.20x = 381,033,336.11
  5. Step 5: Solve for x
    x = 381,033,336.11/22,398.20
  6. Step 6: Final answer
    x = 17,011.78

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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.