Home / 17,159.80-25,689.30-12,796.60

Finding the Fourth Proportional to 17,159.80, 25,689.30 and 12,796.60

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Solution

The fourth proportional to 17,159.80, 25,689.30 and 12,796.60 is: 19,157.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,159.80 : 25,689.30 = 12,796.60 : x
  2. Step 2: Convert to fraction form
    17,159.80/25,689.30 = 12,796.60/x
  3. Step 3: Cross multiply
    17,159.80x = 25,689.30 × 12,796.60
  4. Step 4: Simplify right side
    17,159.80x = 328,735,696.38
  5. Step 5: Solve for x
    x = 328,735,696.38/17,159.80
  6. Step 6: Final answer
    x = 19,157.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.