Home / 20,576.22-30,864.03-6,535.86

Finding the Fourth Proportional to 20,576.22, 30,864.03 and 6,535.86

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Solution

The fourth proportional to 20,576.22, 30,864.03 and 6,535.86 is: 9,803.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,576.22 : 30,864.03 = 6,535.86 : x
  2. Step 2: Convert to fraction form
    20,576.22/30,864.03 = 6,535.86/x
  3. Step 3: Cross multiply
    20,576.22x = 30,864.03 × 6,535.86
  4. Step 4: Simplify right side
    20,576.22x = 201,722,979.12
  5. Step 5: Solve for x
    x = 201,722,979.12/20,576.22
  6. Step 6: Final answer
    x = 9,803.69

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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.