Home / 13,340.88-20,011.24-5,446.64

Finding the Fourth Proportional to 13,340.88, 20,011.24 and 5,446.64

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Solution

The fourth proportional to 13,340.88, 20,011.24 and 5,446.64 is: 8,169.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,340.88 : 20,011.24 = 5,446.64 : x
  2. Step 2: Convert to fraction form
    13,340.88/20,011.24 = 5,446.64/x
  3. Step 3: Cross multiply
    13,340.88x = 20,011.24 × 5,446.64
  4. Step 4: Simplify right side
    13,340.88x = 108,994,020.23
  5. Step 5: Solve for x
    x = 108,994,020.23/13,340.88
  6. Step 6: Final answer
    x = 8,169.93

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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.