Home / 20,569.26-30,853.90-6,530.78

Finding the Fourth Proportional to 20,569.26, 30,853.90 and 6,530.78

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Solution

The fourth proportional to 20,569.26, 30,853.90 and 6,530.78 is: 9,796.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,569.26 : 30,853.90 = 6,530.78 : x
  2. Step 2: Convert to fraction form
    20,569.26/30,853.90 = 6,530.78/x
  3. Step 3: Cross multiply
    20,569.26x = 30,853.90 × 6,530.78
  4. Step 4: Simplify right side
    20,569.26x = 201,500,033.04
  5. Step 5: Solve for x
    x = 201,500,033.04/20,569.26
  6. Step 6: Final answer
    x = 9,796.17

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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.