Home / 19,204.91-28,825.20-9,851.61

Finding the Fourth Proportional to 19,204.91, 28,825.20 and 9,851.61

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Solution

The fourth proportional to 19,204.91, 28,825.20 and 9,851.61 is: 14,786.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.91 : 28,825.20 = 9,851.61 : x
  2. Step 2: Convert to fraction form
    19,204.91/28,825.20 = 9,851.61/x
  3. Step 3: Cross multiply
    19,204.91x = 28,825.20 × 9,851.61
  4. Step 4: Simplify right side
    19,204.91x = 283,974,628.57
  5. Step 5: Solve for x
    x = 283,974,628.57/19,204.91
  6. Step 6: Final answer
    x = 14,786.57

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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.