Home / 20,292.66-30,418.47-9,747.27

Finding the Fourth Proportional to 20,292.66, 30,418.47 and 9,747.27

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Solution

The fourth proportional to 20,292.66, 30,418.47 and 9,747.27 is: 14,611.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,292.66 : 30,418.47 = 9,747.27 : x
  2. Step 2: Convert to fraction form
    20,292.66/30,418.47 = 9,747.27/x
  3. Step 3: Cross multiply
    20,292.66x = 30,418.47 × 9,747.27
  4. Step 4: Simplify right side
    20,292.66x = 296,497,040.08
  5. Step 5: Solve for x
    x = 296,497,040.08/20,292.66
  6. Step 6: Final answer
    x = 14,611.05

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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.