Home / 15,899.38-23,853.32-5,511.12

Finding the Fourth Proportional to 15,899.38, 23,853.32 and 5,511.12

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Solution

The fourth proportional to 15,899.38, 23,853.32 and 5,511.12 is: 8,268.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,899.38 : 23,853.32 = 5,511.12 : x
  2. Step 2: Convert to fraction form
    15,899.38/23,853.32 = 5,511.12/x
  3. Step 3: Cross multiply
    15,899.38x = 23,853.32 × 5,511.12
  4. Step 4: Simplify right side
    15,899.38x = 131,458,508.92
  5. Step 5: Solve for x
    x = 131,458,508.92/15,899.38
  6. Step 6: Final answer
    x = 8,268.15

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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.