Home / 13,253.45-19,884.10-4,819.79

Finding the Fourth Proportional to 13,253.45, 19,884.10 and 4,819.79

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Solution

The fourth proportional to 13,253.45, 19,884.10 and 4,819.79 is: 7,231.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.45 : 19,884.10 = 4,819.79 : x
  2. Step 2: Convert to fraction form
    13,253.45/19,884.10 = 4,819.79/x
  3. Step 3: Cross multiply
    13,253.45x = 19,884.10 × 4,819.79
  4. Step 4: Simplify right side
    13,253.45x = 95,837,215.24
  5. Step 5: Solve for x
    x = 95,837,215.24/13,253.45
  6. Step 6: Final answer
    x = 7,231.12

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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.