Home / 11,924.61-16,456.50-6,619.50

Finding the Fourth Proportional to 11,924.61, 16,456.50 and 6,619.50

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Solution

The fourth proportional to 11,924.61, 16,456.50 and 6,619.50 is: 9,135.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.61 : 16,456.50 = 6,619.50 : x
  2. Step 2: Convert to fraction form
    11,924.61/16,456.50 = 6,619.50/x
  3. Step 3: Cross multiply
    11,924.61x = 16,456.50 × 6,619.50
  4. Step 4: Simplify right side
    11,924.61x = 108,933,801.75
  5. Step 5: Solve for x
    x = 108,933,801.75/11,924.61
  6. Step 6: Final answer
    x = 9,135.21

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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.