Home / 11,863.08-16,372.96-7,083.28

Finding the Fourth Proportional to 11,863.08, 16,372.96 and 7,083.28

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Solution

The fourth proportional to 11,863.08, 16,372.96 and 7,083.28 is: 9,776.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,863.08 : 16,372.96 = 7,083.28 : x
  2. Step 2: Convert to fraction form
    11,863.08/16,372.96 = 7,083.28/x
  3. Step 3: Cross multiply
    11,863.08x = 16,372.96 × 7,083.28
  4. Step 4: Simplify right side
    11,863.08x = 115,974,260.11
  5. Step 5: Solve for x
    x = 115,974,260.11/11,863.08
  6. Step 6: Final answer
    x = 9,776.07

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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.