Home / 16,782.80-23,159.77-9,229.12

Finding the Fourth Proportional to 16,782.80, 23,159.77 and 9,229.12

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Solution

The fourth proportional to 16,782.80, 23,159.77 and 9,229.12 is: 12,735.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.80 : 23,159.77 = 9,229.12 : x
  2. Step 2: Convert to fraction form
    16,782.80/23,159.77 = 9,229.12/x
  3. Step 3: Cross multiply
    16,782.80x = 23,159.77 × 9,229.12
  4. Step 4: Simplify right side
    16,782.80x = 213,744,215.53
  5. Step 5: Solve for x
    x = 213,744,215.53/16,782.80
  6. Step 6: Final answer
    x = 12,735.91

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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.