Home / 20,003.27-29,988.68-8,325.23

Finding the Fourth Proportional to 20,003.27, 29,988.68 and 8,325.23

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Solution

The fourth proportional to 20,003.27, 29,988.68 and 8,325.23 is: 12,481.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,003.27 : 29,988.68 = 8,325.23 : x
  2. Step 2: Convert to fraction form
    20,003.27/29,988.68 = 8,325.23/x
  3. Step 3: Cross multiply
    20,003.27x = 29,988.68 × 8,325.23
  4. Step 4: Simplify right side
    20,003.27x = 249,662,466.83
  5. Step 5: Solve for x
    x = 249,662,466.83/20,003.27
  6. Step 6: Final answer
    x = 12,481.09

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1.5x scale

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.