Home / 21,998.72-32,991.13-7,204.24

Finding the Fourth Proportional to 21,998.72, 32,991.13 and 7,204.24

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Solution

The fourth proportional to 21,998.72, 32,991.13 and 7,204.24 is: 10,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,998.72 : 32,991.13 = 7,204.24 : x
  2. Step 2: Convert to fraction form
    21,998.72/32,991.13 = 7,204.24/x
  3. Step 3: Cross multiply
    21,998.72x = 32,991.13 × 7,204.24
  4. Step 4: Simplify right side
    21,998.72x = 237,676,018.39
  5. Step 5: Solve for x
    x = 237,676,018.39/21,998.72
  6. Step 6: Final answer
    x = 10,804.08

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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.