Home / 13,524.66-20,289.39-6,128.82

Finding the Fourth Proportional to 13,524.66, 20,289.39 and 6,128.82

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Solution

The fourth proportional to 13,524.66, 20,289.39 and 6,128.82 is: 9,194.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.66 : 20,289.39 = 6,128.82 : x
  2. Step 2: Convert to fraction form
    13,524.66/20,289.39 = 6,128.82/x
  3. Step 3: Cross multiply
    13,524.66x = 20,289.39 × 6,128.82
  4. Step 4: Simplify right side
    13,524.66x = 124,350,019.22
  5. Step 5: Solve for x
    x = 124,350,019.22/13,524.66
  6. Step 6: Final answer
    x = 9,194.32

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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.