Home / 20,564.38-30,846.57-6,713.38

Finding the Fourth Proportional to 20,564.38, 30,846.57 and 6,713.38

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Solution

The fourth proportional to 20,564.38, 30,846.57 and 6,713.38 is: 10,070.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,564.38 : 30,846.57 = 6,713.38 : x
  2. Step 2: Convert to fraction form
    20,564.38/30,846.57 = 6,713.38/x
  3. Step 3: Cross multiply
    20,564.38x = 30,846.57 × 6,713.38
  4. Step 4: Simplify right side
    20,564.38x = 207,084,558.31
  5. Step 5: Solve for x
    x = 207,084,558.31/20,564.38
  6. Step 6: Final answer
    x = 10,070.06

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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.