Home / 12,203.28-18,284.03-6,660.52

Finding the Fourth Proportional to 12,203.28, 18,284.03 and 6,660.52

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Solution

The fourth proportional to 12,203.28, 18,284.03 and 6,660.52 is: 9,979.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.28 : 18,284.03 = 6,660.52 : x
  2. Step 2: Convert to fraction form
    12,203.28/18,284.03 = 6,660.52/x
  3. Step 3: Cross multiply
    12,203.28x = 18,284.03 × 6,660.52
  4. Step 4: Simplify right side
    12,203.28x = 121,781,034.20
  5. Step 5: Solve for x
    x = 121,781,034.20/12,203.28
  6. Step 6: Final answer
    x = 9,979.37

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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.