Home / 20,339.42-30,497.06-6,295.28

Finding the Fourth Proportional to 20,339.42, 30,497.06 and 6,295.28

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Solution

The fourth proportional to 20,339.42, 30,497.06 and 6,295.28 is: 9,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,339.42 : 30,497.06 = 6,295.28 : x
  2. Step 2: Convert to fraction form
    20,339.42/30,497.06 = 6,295.28/x
  3. Step 3: Cross multiply
    20,339.42x = 30,497.06 × 6,295.28
  4. Step 4: Simplify right side
    20,339.42x = 191,987,531.88
  5. Step 5: Solve for x
    x = 191,987,531.88/20,339.42
  6. Step 6: Final answer
    x = 9,439.18

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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.