Home / 16,721.77-25,083.21-6,194.45

Finding the Fourth Proportional to 16,721.77, 25,083.21 and 6,194.45

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Solution

The fourth proportional to 16,721.77, 25,083.21 and 6,194.45 is: 9,291.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,721.77 : 25,083.21 = 6,194.45 : x
  2. Step 2: Convert to fraction form
    16,721.77/25,083.21 = 6,194.45/x
  3. Step 3: Cross multiply
    16,721.77x = 25,083.21 × 6,194.45
  4. Step 4: Simplify right side
    16,721.77x = 155,376,690.18
  5. Step 5: Solve for x
    x = 155,376,690.18/16,721.77
  6. Step 6: Final answer
    x = 9,291.88

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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.