Home / 13,150.40-19,724.96-4,829.78

Finding the Fourth Proportional to 13,150.40, 19,724.96 and 4,829.78

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Solution

The fourth proportional to 13,150.40, 19,724.96 and 4,829.78 is: 7,244.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,150.40 : 19,724.96 = 4,829.78 : x
  2. Step 2: Convert to fraction form
    13,150.40/19,724.96 = 4,829.78/x
  3. Step 3: Cross multiply
    13,150.40x = 19,724.96 × 4,829.78
  4. Step 4: Simplify right side
    13,150.40x = 95,267,217.31
  5. Step 5: Solve for x
    x = 95,267,217.31/13,150.40
  6. Step 6: Final answer
    x = 7,244.43

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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.