Home / 16,813.20-23,205.24-9,743.52

Finding the Fourth Proportional to 16,813.20, 23,205.24 and 9,743.52

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Solution

The fourth proportional to 16,813.20, 23,205.24 and 9,743.52 is: 13,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.20 : 23,205.24 = 9,743.52 : x
  2. Step 2: Convert to fraction form
    16,813.20/23,205.24 = 9,743.52/x
  3. Step 3: Cross multiply
    16,813.20x = 23,205.24 × 9,743.52
  4. Step 4: Simplify right side
    16,813.20x = 226,100,720.04
  5. Step 5: Solve for x
    x = 226,100,720.04/16,813.20
  6. Step 6: Final answer
    x = 13,447.81

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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.