Home / 16,863.11-23,269.89-9,308.22

Finding the Fourth Proportional to 16,863.11, 23,269.89 and 9,308.22

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Solution

The fourth proportional to 16,863.11, 23,269.89 and 9,308.22 is: 12,844.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,863.11 : 23,269.89 = 9,308.22 : x
  2. Step 2: Convert to fraction form
    16,863.11/23,269.89 = 9,308.22/x
  3. Step 3: Cross multiply
    16,863.11x = 23,269.89 × 9,308.22
  4. Step 4: Simplify right side
    16,863.11x = 216,601,313.67
  5. Step 5: Solve for x
    x = 216,601,313.67/16,863.11
  6. Step 6: Final answer
    x = 12,844.69

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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.