Home / 26,163.86-39,245.45-6,442.58

Finding the Fourth Proportional to 26,163.86, 39,245.45 and 6,442.58

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Solution

The fourth proportional to 26,163.86, 39,245.45 and 6,442.58 is: 9,663.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,163.86 : 39,245.45 = 6,442.58 : x
  2. Step 2: Convert to fraction form
    26,163.86/39,245.45 = 6,442.58/x
  3. Step 3: Cross multiply
    26,163.86x = 39,245.45 × 6,442.58
  4. Step 4: Simplify right side
    26,163.86x = 252,842,017.16
  5. Step 5: Solve for x
    x = 252,842,017.16/26,163.86
  6. Step 6: Final answer
    x = 9,663.79

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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.