Home / 19,115.58-26,380.37-10,617.73

Finding the Fourth Proportional to 19,115.58, 26,380.37 and 10,617.73

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Solution

The fourth proportional to 19,115.58, 26,380.37 and 10,617.73 is: 14,652.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.58 : 26,380.37 = 10,617.73 : x
  2. Step 2: Convert to fraction form
    19,115.58/26,380.37 = 10,617.73/x
  3. Step 3: Cross multiply
    19,115.58x = 26,380.37 × 10,617.73
  4. Step 4: Simplify right side
    19,115.58x = 280,099,645.96
  5. Step 5: Solve for x
    x = 280,099,645.96/19,115.58
  6. Step 6: Final answer
    x = 14,652.95

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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.