Home / 21,983.75-32,979.77-8,837.14

Finding the Fourth Proportional to 21,983.75, 32,979.77 and 8,837.14

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Solution

The fourth proportional to 21,983.75, 32,979.77 and 8,837.14 is: 13,257.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,983.75 : 32,979.77 = 8,837.14 : x
  2. Step 2: Convert to fraction form
    21,983.75/32,979.77 = 8,837.14/x
  3. Step 3: Cross multiply
    21,983.75x = 32,979.77 × 8,837.14
  4. Step 4: Simplify right side
    21,983.75x = 291,446,844.66
  5. Step 5: Solve for x
    x = 291,446,844.66/21,983.75
  6. Step 6: Final answer
    x = 13,257.38

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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.