Home / 20,394.81-30,593.69-8,536.66

Finding the Fourth Proportional to 20,394.81, 30,593.69 and 8,536.66

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Solution

The fourth proportional to 20,394.81, 30,593.69 and 8,536.66 is: 12,805.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394.81 : 30,593.69 = 8,536.66 : x
  2. Step 2: Convert to fraction form
    20,394.81/30,593.69 = 8,536.66/x
  3. Step 3: Cross multiply
    20,394.81x = 30,593.69 × 8,536.66
  4. Step 4: Simplify right side
    20,394.81x = 261,167,827.01
  5. Step 5: Solve for x
    x = 261,167,827.01/20,394.81
  6. Step 6: Final answer
    x = 12,805.60

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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.