Home / 13,050.38-19,579.22-5,148.02

Finding the Fourth Proportional to 13,050.38, 19,579.22 and 5,148.02

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Solution

The fourth proportional to 13,050.38, 19,579.22 and 5,148.02 is: 7,723.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,050.38 : 19,579.22 = 5,148.02 : x
  2. Step 2: Convert to fraction form
    13,050.38/19,579.22 = 5,148.02/x
  3. Step 3: Cross multiply
    13,050.38x = 19,579.22 × 5,148.02
  4. Step 4: Simplify right side
    13,050.38x = 100,794,258.66
  5. Step 5: Solve for x
    x = 100,794,258.66/13,050.38
  6. Step 6: Final answer
    x = 7,723.47

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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.