Home / 22,226.20-30,671.64-12,154.72

Finding the Fourth Proportional to 22,226.20, 30,671.64 and 12,154.72

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Solution

The fourth proportional to 22,226.20, 30,671.64 and 12,154.72 is: 16,773.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.20 : 30,671.64 = 12,154.72 : x
  2. Step 2: Convert to fraction form
    22,226.20/30,671.64 = 12,154.72/x
  3. Step 3: Cross multiply
    22,226.20x = 30,671.64 × 12,154.72
  4. Step 4: Simplify right side
    22,226.20x = 372,805,196.14
  5. Step 5: Solve for x
    x = 372,805,196.14/22,226.20
  6. Step 6: Final answer
    x = 16,773.23

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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.