Home / 18,694.21-28,030.81-6,207.55

Finding the Fourth Proportional to 18,694.21, 28,030.81 and 6,207.55

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Solution

The fourth proportional to 18,694.21, 28,030.81 and 6,207.55 is: 9,307.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.21 : 28,030.81 = 6,207.55 : x
  2. Step 2: Convert to fraction form
    18,694.21/28,030.81 = 6,207.55/x
  3. Step 3: Cross multiply
    18,694.21x = 28,030.81 × 6,207.55
  4. Step 4: Simplify right side
    18,694.21x = 174,002,654.62
  5. Step 5: Solve for x
    x = 174,002,654.62/18,694.21
  6. Step 6: Final answer
    x = 9,307.84

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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.