Home / 12,027.26-18,047.66-6,480.47

Finding the Fourth Proportional to 12,027.26, 18,047.66 and 6,480.47

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Solution

The fourth proportional to 12,027.26, 18,047.66 and 6,480.47 is: 9,724.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,027.26 : 18,047.66 = 6,480.47 : x
  2. Step 2: Convert to fraction form
    12,027.26/18,047.66 = 6,480.47/x
  3. Step 3: Cross multiply
    12,027.26x = 18,047.66 × 6,480.47
  4. Step 4: Simplify right side
    12,027.26x = 116,957,196.56
  5. Step 5: Solve for x
    x = 116,957,196.56/12,027.26
  6. Step 6: Final answer
    x = 9,724.35

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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.