Home / 12,009.26-18,016.94-4,614.26

Finding the Fourth Proportional to 12,009.26, 18,016.94 and 4,614.26

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Solution

The fourth proportional to 12,009.26, 18,016.94 and 4,614.26 is: 6,922.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.26 : 18,016.94 = 4,614.26 : x
  2. Step 2: Convert to fraction form
    12,009.26/18,016.94 = 4,614.26/x
  3. Step 3: Cross multiply
    12,009.26x = 18,016.94 × 4,614.26
  4. Step 4: Simplify right side
    12,009.26x = 83,134,767.02
  5. Step 5: Solve for x
    x = 83,134,767.02/12,009.26
  6. Step 6: Final answer
    x = 6,922.55

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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.