Home / 10,790.25-16,185.38-2,999.13

Finding the Fourth Proportional to 10,790.25, 16,185.38 and 2,999.13

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Solution

The fourth proportional to 10,790.25, 16,185.38 and 2,999.13 is: 4,498.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.25 : 16,185.38 = 2,999.13 : x
  2. Step 2: Convert to fraction form
    10,790.25/16,185.38 = 2,999.13/x
  3. Step 3: Cross multiply
    10,790.25x = 16,185.38 × 2,999.13
  4. Step 4: Simplify right side
    10,790.25x = 48,542,058.72
  5. Step 5: Solve for x
    x = 48,542,058.72/10,790.25
  6. Step 6: Final answer
    x = 4,498.70

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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.