Home / 16,859.49-23,265.69-9,305.80

Finding the Fourth Proportional to 16,859.49, 23,265.69 and 9,305.80

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Solution

The fourth proportional to 16,859.49, 23,265.69 and 9,305.80 is: 12,841.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.49 : 23,265.69 = 9,305.80 : x
  2. Step 2: Convert to fraction form
    16,859.49/23,265.69 = 9,305.80/x
  3. Step 3: Cross multiply
    16,859.49x = 23,265.69 × 9,305.80
  4. Step 4: Simplify right side
    16,859.49x = 216,505,863.09
  5. Step 5: Solve for x
    x = 216,505,863.09/16,859.49
  6. Step 6: Final answer
    x = 12,841.78

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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.