Home / 16,863.82-23,269.56-9,788.89

Finding the Fourth Proportional to 16,863.82, 23,269.56 and 9,788.89

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Solution

The fourth proportional to 16,863.82, 23,269.56 and 9,788.89 is: 13,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.82 : 23,269.56 = 9,788.89 : x
  2. Step 2: Convert to fraction form
    16,863.82/23,269.56 = 9,788.89/x
  3. Step 3: Cross multiply
    16,863.82x = 23,269.56 × 9,788.89
  4. Step 4: Simplify right side
    16,863.82x = 227,783,163.19
  5. Step 5: Solve for x
    x = 227,783,163.19/16,863.82
  6. Step 6: Final answer
    x = 13,507.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.