Home / 10,790.20-16,185.54-2,998.96

Finding the Fourth Proportional to 10,790.20, 16,185.54 and 2,998.96

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Solution

The fourth proportional to 10,790.20, 16,185.54 and 2,998.96 is: 4,498.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.20 : 16,185.54 = 2,998.96 : x
  2. Step 2: Convert to fraction form
    10,790.20/16,185.54 = 2,998.96/x
  3. Step 3: Cross multiply
    10,790.20x = 16,185.54 × 2,998.96
  4. Step 4: Simplify right side
    10,790.20x = 48,539,787.04
  5. Step 5: Solve for x
    x = 48,539,787.04/10,790.20
  6. Step 6: Final answer
    x = 4,498.51

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Half scale
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Double scale
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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.