Home / 11,789.86-17,688.48-4,394.92

Finding the Fourth Proportional to 11,789.86, 17,688.48 and 4,394.92

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Solution

The fourth proportional to 11,789.86, 17,688.48 and 4,394.92 is: 6,593.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,789.86 : 17,688.48 = 4,394.92 : x
  2. Step 2: Convert to fraction form
    11,789.86/17,688.48 = 4,394.92/x
  3. Step 3: Cross multiply
    11,789.86x = 17,688.48 × 4,394.92
  4. Step 4: Simplify right side
    11,789.86x = 77,739,454.52
  5. Step 5: Solve for x
    x = 77,739,454.52/11,789.86
  6. Step 6: Final answer
    x = 6,593.76

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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.