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Finding the Fourth Proportional to 17,553.70, 26,330.55 and 10,992.70

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Solution

The fourth proportional to 17,553.70, 26,330.55 and 10,992.70 is: 16,489.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,553.70 : 26,330.55 = 10,992.70 : x
  2. Step 2: Convert to fraction form
    17,553.70/26,330.55 = 10,992.70/x
  3. Step 3: Cross multiply
    17,553.70x = 26,330.55 × 10,992.70
  4. Step 4: Simplify right side
    17,553.70x = 289,443,836.99
  5. Step 5: Solve for x
    x = 289,443,836.99/17,553.70
  6. Step 6: Final answer
    x = 16,489.05

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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.