Home / 13,446.20-20,169.30-9,558.20

Finding the Fourth Proportional to 13,446.20, 20,169.30 and 9,558.20

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Solution

The fourth proportional to 13,446.20, 20,169.30 and 9,558.20 is: 14,337.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.20 : 20,169.30 = 9,558.20 : x
  2. Step 2: Convert to fraction form
    13,446.20/20,169.30 = 9,558.20/x
  3. Step 3: Cross multiply
    13,446.20x = 20,169.30 × 9,558.20
  4. Step 4: Simplify right side
    13,446.20x = 192,782,203.26
  5. Step 5: Solve for x
    x = 192,782,203.26/13,446.20
  6. Step 6: Final answer
    x = 14,337.30

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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.