Home / 19,198.17-28,797.30-5,347.17

Finding the Fourth Proportional to 19,198.17, 28,797.30 and 5,347.17

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Solution

The fourth proportional to 19,198.17, 28,797.30 and 5,347.17 is: 8,020.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,198.17 : 28,797.30 = 5,347.17 : x
  2. Step 2: Convert to fraction form
    19,198.17/28,797.30 = 5,347.17/x
  3. Step 3: Cross multiply
    19,198.17x = 28,797.30 × 5,347.17
  4. Step 4: Simplify right side
    19,198.17x = 153,984,058.64
  5. Step 5: Solve for x
    x = 153,984,058.64/19,198.17
  6. Step 6: Final answer
    x = 8,020.77

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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.