Home / 16,755.80-23,117.82-9,679.64

Finding the Fourth Proportional to 16,755.80, 23,117.82 and 9,679.64

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Solution

The fourth proportional to 16,755.80, 23,117.82 and 9,679.64 is: 13,354.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,755.80 : 23,117.82 = 9,679.64 : x
  2. Step 2: Convert to fraction form
    16,755.80/23,117.82 = 9,679.64/x
  3. Step 3: Cross multiply
    16,755.80x = 23,117.82 × 9,679.64
  4. Step 4: Simplify right side
    16,755.80x = 223,772,175.18
  5. Step 5: Solve for x
    x = 223,772,175.18/16,755.80
  6. Step 6: Final answer
    x = 13,354.91

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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.