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Finding the Fourth Proportional to 9,999.92, 13,795.44 and 5,805.92

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Solution

The fourth proportional to 9,999.92, 13,795.44 and 5,805.92 is: 8,009.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999.92 : 13,795.44 = 5,805.92 : x
  2. Step 2: Convert to fraction form
    9,999.92/13,795.44 = 5,805.92/x
  3. Step 3: Cross multiply
    9,999.92x = 13,795.44 × 5,805.92
  4. Step 4: Simplify right side
    9,999.92x = 80,095,221.00
  5. Step 5: Solve for x
    x = 80,095,221.00/9,999.92
  6. Step 6: Final answer
    x = 8,009.59

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1.5x scale

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.