Home / 11,336.63-15,644.61-6,620.00

Finding the Fourth Proportional to 11,336.63, 15,644.61 and 6,620.00

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Solution

The fourth proportional to 11,336.63, 15,644.61 and 6,620.00 is: 9,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.63 : 15,644.61 = 6,620.00 : x
  2. Step 2: Convert to fraction form
    11,336.63/15,644.61 = 6,620.00/x
  3. Step 3: Cross multiply
    11,336.63x = 15,644.61 × 6,620.00
  4. Step 4: Simplify right side
    11,336.63x = 103,567,239.98
  5. Step 5: Solve for x
    x = 103,567,239.98/11,336.63
  6. Step 6: Final answer
    x = 9,135.63

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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.