Home / 13,355.99-20,033.90-5,456.82

Finding the Fourth Proportional to 13,355.99, 20,033.90 and 5,456.82

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Solution

The fourth proportional to 13,355.99, 20,033.90 and 5,456.82 is: 8,185.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,355.99 : 20,033.90 = 5,456.82 : x
  2. Step 2: Convert to fraction form
    13,355.99/20,033.90 = 5,456.82/x
  3. Step 3: Cross multiply
    13,355.99x = 20,033.90 × 5,456.82
  4. Step 4: Simplify right side
    13,355.99x = 109,321,358.91
  5. Step 5: Solve for x
    x = 109,321,358.91/13,355.99
  6. Step 6: Final answer
    x = 8,185.20

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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.