Home / 13,527.18-20,289.92-4,166.33

Finding the Fourth Proportional to 13,527.18, 20,289.92 and 4,166.33

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Solution

The fourth proportional to 13,527.18, 20,289.92 and 4,166.33 is: 6,249.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,527.18 : 20,289.92 = 4,166.33 : x
  2. Step 2: Convert to fraction form
    13,527.18/20,289.92 = 4,166.33/x
  3. Step 3: Cross multiply
    13,527.18x = 20,289.92 × 4,166.33
  4. Step 4: Simplify right side
    13,527.18x = 84,534,380.11
  5. Step 5: Solve for x
    x = 84,534,380.11/13,527.18
  6. Step 6: Final answer
    x = 6,249.22

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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.