Home / 12,226.74-18,342.84-4,435.38

Finding the Fourth Proportional to 12,226.74, 18,342.84 and 4,435.38

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Solution

The fourth proportional to 12,226.74, 18,342.84 and 4,435.38 is: 6,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,226.74 : 18,342.84 = 4,435.38 : x
  2. Step 2: Convert to fraction form
    12,226.74/18,342.84 = 4,435.38/x
  3. Step 3: Cross multiply
    12,226.74x = 18,342.84 × 4,435.38
  4. Step 4: Simplify right side
    12,226.74x = 81,357,465.68
  5. Step 5: Solve for x
    x = 81,357,465.68/12,226.74
  6. Step 6: Final answer
    x = 6,654.06

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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.