Home / 11,553.39-17,330.13-2,788.29

Finding the Fourth Proportional to 11,553.39, 17,330.13 and 2,788.29

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Solution

The fourth proportional to 11,553.39, 17,330.13 and 2,788.29 is: 4,182.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,553.39 : 17,330.13 = 2,788.29 : x
  2. Step 2: Convert to fraction form
    11,553.39/17,330.13 = 2,788.29/x
  3. Step 3: Cross multiply
    11,553.39x = 17,330.13 × 2,788.29
  4. Step 4: Simplify right side
    11,553.39x = 48,321,428.18
  5. Step 5: Solve for x
    x = 48,321,428.18/11,553.39
  6. Step 6: Final answer
    x = 4,182.45

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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.