Home / 12,097.71-18,143.52-4,304.70

Finding the Fourth Proportional to 12,097.71, 18,143.52 and 4,304.70

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Solution

The fourth proportional to 12,097.71, 18,143.52 and 4,304.70 is: 6,455.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,097.71 : 18,143.52 = 4,304.70 : x
  2. Step 2: Convert to fraction form
    12,097.71/18,143.52 = 4,304.70/x
  3. Step 3: Cross multiply
    12,097.71x = 18,143.52 × 4,304.70
  4. Step 4: Simplify right side
    12,097.71x = 78,102,410.54
  5. Step 5: Solve for x
    x = 78,102,410.54/12,097.71
  6. Step 6: Final answer
    x = 6,455.97

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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.