Home / 12,097.20-18,138.60-6,265.20

Finding the Fourth Proportional to 12,097.20, 18,138.60 and 6,265.20

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Solution

The fourth proportional to 12,097.20, 18,138.60 and 6,265.20 is: 9,394.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.20 : 18,138.60 = 6,265.20 : x
  2. Step 2: Convert to fraction form
    12,097.20/18,138.60 = 6,265.20/x
  3. Step 3: Cross multiply
    12,097.20x = 18,138.60 × 6,265.20
  4. Step 4: Simplify right side
    12,097.20x = 113,641,956.72
  5. Step 5: Solve for x
    x = 113,641,956.72/12,097.20
  6. Step 6: Final answer
    x = 9,394.07

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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.