Home / 12,444.84-18,667.50-3,679.74

Finding the Fourth Proportional to 12,444.84, 18,667.50 and 3,679.74

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Solution

The fourth proportional to 12,444.84, 18,667.50 and 3,679.74 is: 5,519.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,444.84 : 18,667.50 = 3,679.74 : x
  2. Step 2: Convert to fraction form
    12,444.84/18,667.50 = 3,679.74/x
  3. Step 3: Cross multiply
    12,444.84x = 18,667.50 × 3,679.74
  4. Step 4: Simplify right side
    12,444.84x = 68,691,546.45
  5. Step 5: Solve for x
    x = 68,691,546.45/12,444.84
  6. Step 6: Final answer
    x = 5,519.68

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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.