Home / 22,227.20-30,674.36-12,155.05

Finding the Fourth Proportional to 22,227.20, 30,674.36 and 12,155.05

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Solution

The fourth proportional to 22,227.20, 30,674.36 and 12,155.05 is: 16,774.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,227.20 : 30,674.36 = 12,155.05 : x
  2. Step 2: Convert to fraction form
    22,227.20/30,674.36 = 12,155.05/x
  3. Step 3: Cross multiply
    22,227.20x = 30,674.36 × 12,155.05
  4. Step 4: Simplify right side
    22,227.20x = 372,848,256.53
  5. Step 5: Solve for x
    x = 372,848,256.53/22,227.20
  6. Step 6: Final answer
    x = 16,774.41

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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.