Home / 20,309.68-30,462.60-6,265.94

Finding the Fourth Proportional to 20,309.68, 30,462.60 and 6,265.94

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Solution

The fourth proportional to 20,309.68, 30,462.60 and 6,265.94 is: 9,398.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,309.68 : 30,462.60 = 6,265.94 : x
  2. Step 2: Convert to fraction form
    20,309.68/30,462.60 = 6,265.94/x
  3. Step 3: Cross multiply
    20,309.68x = 30,462.60 × 6,265.94
  4. Step 4: Simplify right side
    20,309.68x = 190,876,823.84
  5. Step 5: Solve for x
    x = 190,876,823.84/20,309.68
  6. Step 6: Final answer
    x = 9,398.32

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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.