Home / 13,081.84-19,624.60-4,760.96

Finding the Fourth Proportional to 13,081.84, 19,624.60 and 4,760.96

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Solution

The fourth proportional to 13,081.84, 19,624.60 and 4,760.96 is: 7,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,081.84 : 19,624.60 = 4,760.96 : x
  2. Step 2: Convert to fraction form
    13,081.84/19,624.60 = 4,760.96/x
  3. Step 3: Cross multiply
    13,081.84x = 19,624.60 × 4,760.96
  4. Step 4: Simplify right side
    13,081.84x = 93,431,935.62
  5. Step 5: Solve for x
    x = 93,431,935.62/13,081.84
  6. Step 6: Final answer
    x = 7,142.11

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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.