Home / 16,813.56-23,197.68-9,739.80

Finding the Fourth Proportional to 16,813.56, 23,197.68 and 9,739.80

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Solution

The fourth proportional to 16,813.56, 23,197.68 and 9,739.80 is: 13,438.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.56 : 23,197.68 = 9,739.80 : x
  2. Step 2: Convert to fraction form
    16,813.56/23,197.68 = 9,739.80/x
  3. Step 3: Cross multiply
    16,813.56x = 23,197.68 × 9,739.80
  4. Step 4: Simplify right side
    16,813.56x = 225,940,763.66
  5. Step 5: Solve for x
    x = 225,940,763.66/16,813.56
  6. Step 6: Final answer
    x = 13,438.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.