Home / 18,226.72-27,330.36-9,439.84

Finding the Fourth Proportional to 18,226.72, 27,330.36 and 9,439.84

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Solution

The fourth proportional to 18,226.72, 27,330.36 and 9,439.84 is: 14,154.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,226.72 : 27,330.36 = 9,439.84 : x
  2. Step 2: Convert to fraction form
    18,226.72/27,330.36 = 9,439.84/x
  3. Step 3: Cross multiply
    18,226.72x = 27,330.36 × 9,439.84
  4. Step 4: Simplify right side
    18,226.72x = 257,994,225.54
  5. Step 5: Solve for x
    x = 257,994,225.54/18,226.72
  6. Step 6: Final answer
    x = 14,154.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.