Home / 18,397.86-27,596.79-5,917.61

Finding the Fourth Proportional to 18,397.86, 27,596.79 and 5,917.61

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Solution

The fourth proportional to 18,397.86, 27,596.79 and 5,917.61 is: 8,876.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,397.86 : 27,596.79 = 5,917.61 : x
  2. Step 2: Convert to fraction form
    18,397.86/27,596.79 = 5,917.61/x
  3. Step 3: Cross multiply
    18,397.86x = 27,596.79 × 5,917.61
  4. Step 4: Simplify right side
    18,397.86x = 163,307,040.47
  5. Step 5: Solve for x
    x = 163,307,040.47/18,397.86
  6. Step 6: Final answer
    x = 8,876.42

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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.