Home / 21,080.88-31,625.37-9,394.07

Finding the Fourth Proportional to 21,080.88, 31,625.37 and 9,394.07

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Solution

The fourth proportional to 21,080.88, 31,625.37 and 9,394.07 is: 14,092.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.88 : 31,625.37 = 9,394.07 : x
  2. Step 2: Convert to fraction form
    21,080.88/31,625.37 = 9,394.07/x
  3. Step 3: Cross multiply
    21,080.88x = 31,625.37 × 9,394.07
  4. Step 4: Simplify right side
    21,080.88x = 297,090,781.43
  5. Step 5: Solve for x
    x = 297,090,781.43/21,080.88
  6. Step 6: Final answer
    x = 14,092.90

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1.5x scale

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.