Home / 21,553.13-32,330.60-7,514.56

Finding the Fourth Proportional to 21,553.13, 32,330.60 and 7,514.56

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Solution

The fourth proportional to 21,553.13, 32,330.60 and 7,514.56 is: 11,272.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,553.13 : 32,330.60 = 7,514.56 : x
  2. Step 2: Convert to fraction form
    21,553.13/32,330.60 = 7,514.56/x
  3. Step 3: Cross multiply
    21,553.13x = 32,330.60 × 7,514.56
  4. Step 4: Simplify right side
    21,553.13x = 242,950,233.54
  5. Step 5: Solve for x
    x = 242,950,233.54/21,553.13
  6. Step 6: Final answer
    x = 11,272.16

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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.