Home / 20,281.23-30,422.69-6,963.38

Finding the Fourth Proportional to 20,281.23, 30,422.69 and 6,963.38

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Solution

The fourth proportional to 20,281.23, 30,422.69 and 6,963.38 is: 10,445.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,281.23 : 30,422.69 = 6,963.38 : x
  2. Step 2: Convert to fraction form
    20,281.23/30,422.69 = 6,963.38/x
  3. Step 3: Cross multiply
    20,281.23x = 30,422.69 × 6,963.38
  4. Step 4: Simplify right side
    20,281.23x = 211,844,704.36
  5. Step 5: Solve for x
    x = 211,844,704.36/20,281.23
  6. Step 6: Final answer
    x = 10,445.36

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1.5x scale

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.