Home / 20,436.11-30,654.27-6,204.71

Finding the Fourth Proportional to 20,436.11, 30,654.27 and 6,204.71

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Solution

The fourth proportional to 20,436.11, 30,654.27 and 6,204.71 is: 9,307.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,436.11 : 30,654.27 = 6,204.71 : x
  2. Step 2: Convert to fraction form
    20,436.11/30,654.27 = 6,204.71/x
  3. Step 3: Cross multiply
    20,436.11x = 30,654.27 × 6,204.71
  4. Step 4: Simplify right side
    20,436.11x = 190,200,824.59
  5. Step 5: Solve for x
    x = 190,200,824.59/20,436.11
  6. Step 6: Final answer
    x = 9,307.10

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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.