Home / 13,604.24-20,409.79-6,587.62

Finding the Fourth Proportional to 13,604.24, 20,409.79 and 6,587.62

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Solution

The fourth proportional to 13,604.24, 20,409.79 and 6,587.62 is: 9,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.24 : 20,409.79 = 6,587.62 : x
  2. Step 2: Convert to fraction form
    13,604.24/20,409.79 = 6,587.62/x
  3. Step 3: Cross multiply
    13,604.24x = 20,409.79 × 6,587.62
  4. Step 4: Simplify right side
    13,604.24x = 134,451,940.80
  5. Step 5: Solve for x
    x = 134,451,940.80/13,604.24
  6. Step 6: Final answer
    x = 9,883.09

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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.