Home / 19,933-29,901.24-5,141.80

Finding the Fourth Proportional to 19,933, 29,901.24 and 5,141.80

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Solution

The fourth proportional to 19,933, 29,901.24 and 5,141.80 is: 7,713.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,933 : 29,901.24 = 5,141.80 : x
  2. Step 2: Convert to fraction form
    19,933/29,901.24 = 5,141.80/x
  3. Step 3: Cross multiply
    19,933x = 29,901.24 × 5,141.80
  4. Step 4: Simplify right side
    19,933x = 153,746,195.83
  5. Step 5: Solve for x
    x = 153,746,195.83/19,933
  6. Step 6: Final answer
    x = 7,713.15

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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.