Home / 13,749.60-20,620.80-9,366.24

Finding the Fourth Proportional to 13,749.60, 20,620.80 and 9,366.24

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Solution

The fourth proportional to 13,749.60, 20,620.80 and 9,366.24 is: 14,046.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,749.60 : 20,620.80 = 9,366.24 : x
  2. Step 2: Convert to fraction form
    13,749.60/20,620.80 = 9,366.24/x
  3. Step 3: Cross multiply
    13,749.60x = 20,620.80 × 9,366.24
  4. Step 4: Simplify right side
    13,749.60x = 193,139,361.79
  5. Step 5: Solve for x
    x = 193,139,361.79/13,749.60
  6. Step 6: Final answer
    x = 14,046.91

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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.