Home / 12,442.84-18,667.22-3,558.30

Finding the Fourth Proportional to 12,442.84, 18,667.22 and 3,558.30

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Solution

The fourth proportional to 12,442.84, 18,667.22 and 3,558.30 is: 5,338.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,442.84 : 18,667.22 = 3,558.30 : x
  2. Step 2: Convert to fraction form
    12,442.84/18,667.22 = 3,558.30/x
  3. Step 3: Cross multiply
    12,442.84x = 18,667.22 × 3,558.30
  4. Step 4: Simplify right side
    12,442.84x = 66,423,568.93
  5. Step 5: Solve for x
    x = 66,423,568.93/12,442.84
  6. Step 6: Final answer
    x = 5,338.30

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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.