Home / 13,446.48-20,166.30-9,534.49

Finding the Fourth Proportional to 13,446.48, 20,166.30 and 9,534.49

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Solution

The fourth proportional to 13,446.48, 20,166.30 and 9,534.49 is: 14,299.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.48 : 20,166.30 = 9,534.49 : x
  2. Step 2: Convert to fraction form
    13,446.48/20,166.30 = 9,534.49/x
  3. Step 3: Cross multiply
    13,446.48x = 20,166.30 × 9,534.49
  4. Step 4: Simplify right side
    13,446.48x = 192,275,335.27
  5. Step 5: Solve for x
    x = 192,275,335.27/13,446.48
  6. Step 6: Final answer
    x = 14,299.30

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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.