Home / 20,568.81-30,854.30-6,529.92

Finding the Fourth Proportional to 20,568.81, 30,854.30 and 6,529.92

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Solution

The fourth proportional to 20,568.81, 30,854.30 and 6,529.92 is: 9,795.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,568.81 : 30,854.30 = 6,529.92 : x
  2. Step 2: Convert to fraction form
    20,568.81/30,854.30 = 6,529.92/x
  3. Step 3: Cross multiply
    20,568.81x = 30,854.30 × 6,529.92
  4. Step 4: Simplify right side
    20,568.81x = 201,476,078.01
  5. Step 5: Solve for x
    x = 201,476,078.01/20,568.81
  6. Step 6: Final answer
    x = 9,795.22

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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.