Home / 19,351.75-29,027.64-5,311.97

Finding the Fourth Proportional to 19,351.75, 29,027.64 and 5,311.97

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Solution

The fourth proportional to 19,351.75, 29,027.64 and 5,311.97 is: 7,967.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.75 : 29,027.64 = 5,311.97 : x
  2. Step 2: Convert to fraction form
    19,351.75/29,027.64 = 5,311.97/x
  3. Step 3: Cross multiply
    19,351.75x = 29,027.64 × 5,311.97
  4. Step 4: Simplify right side
    19,351.75x = 154,193,807.71
  5. Step 5: Solve for x
    x = 154,193,807.71/19,351.75
  6. Step 6: Final answer
    x = 7,967.95

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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.