Home / 13,932.48-20,903.92-5,614.86

Finding the Fourth Proportional to 13,932.48, 20,903.92 and 5,614.86

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Solution

The fourth proportional to 13,932.48, 20,903.92 and 5,614.86 is: 8,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.48 : 20,903.92 = 5,614.86 : x
  2. Step 2: Convert to fraction form
    13,932.48/20,903.92 = 5,614.86/x
  3. Step 3: Cross multiply
    13,932.48x = 20,903.92 × 5,614.86
  4. Step 4: Simplify right side
    13,932.48x = 117,372,584.25
  5. Step 5: Solve for x
    x = 117,372,584.25/13,932.48
  6. Step 6: Final answer
    x = 8,424.39

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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.