Home / 20,203.81-30,307.45-6,167

Finding the Fourth Proportional to 20,203.81, 30,307.45 and 6,167

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Solution

The fourth proportional to 20,203.81, 30,307.45 and 6,167 is: 9,251.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,203.81 : 30,307.45 = 6,167 : x
  2. Step 2: Convert to fraction form
    20,203.81/30,307.45 = 6,167/x
  3. Step 3: Cross multiply
    20,203.81x = 30,307.45 × 6,167
  4. Step 4: Simplify right side
    20,203.81x = 186,906,044.15
  5. Step 5: Solve for x
    x = 186,906,044.15/20,203.81
  6. Step 6: Final answer
    x = 9,251.03

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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.