Home / 13,481.24-20,222.39-6,554.12

Finding the Fourth Proportional to 13,481.24, 20,222.39 and 6,554.12

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Solution

The fourth proportional to 13,481.24, 20,222.39 and 6,554.12 is: 9,831.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,481.24 : 20,222.39 = 6,554.12 : x
  2. Step 2: Convert to fraction form
    13,481.24/20,222.39 = 6,554.12/x
  3. Step 3: Cross multiply
    13,481.24x = 20,222.39 × 6,554.12
  4. Step 4: Simplify right side
    13,481.24x = 132,539,886.02
  5. Step 5: Solve for x
    x = 132,539,886.02/13,481.24
  6. Step 6: Final answer
    x = 9,831.44

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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.