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Finding the Fourth Proportional to 17,863.34, 26,788.76 and 7,330.38

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Solution

The fourth proportional to 17,863.34, 26,788.76 and 7,330.38 is: 10,993.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,863.34 : 26,788.76 = 7,330.38 : x
  2. Step 2: Convert to fraction form
    17,863.34/26,788.76 = 7,330.38/x
  3. Step 3: Cross multiply
    17,863.34x = 26,788.76 × 7,330.38
  4. Step 4: Simplify right side
    17,863.34x = 196,371,790.53
  5. Step 5: Solve for x
    x = 196,371,790.53/17,863.34
  6. Step 6: Final answer
    x = 10,993.01

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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.