Home / 22,226.37-30,672.45-12,154.86

Finding the Fourth Proportional to 22,226.37, 30,672.45 and 12,154.86

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Solution

The fourth proportional to 22,226.37, 30,672.45 and 12,154.86 is: 16,773.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,226.37 : 30,672.45 = 12,154.86 : x
  2. Step 2: Convert to fraction form
    22,226.37/30,672.45 = 12,154.86/x
  3. Step 3: Cross multiply
    22,226.37x = 30,672.45 × 12,154.86
  4. Step 4: Simplify right side
    22,226.37x = 372,819,301.42
  5. Step 5: Solve for x
    x = 372,819,301.42/22,226.37
  6. Step 6: Final answer
    x = 16,773.73

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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.