Home / 11,094-15,310.34-6,378.59

Finding the Fourth Proportional to 11,094, 15,310.34 and 6,378.59

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Solution

The fourth proportional to 11,094, 15,310.34 and 6,378.59 is: 8,802.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094 : 15,310.34 = 6,378.59 : x
  2. Step 2: Convert to fraction form
    11,094/15,310.34 = 6,378.59/x
  3. Step 3: Cross multiply
    11,094x = 15,310.34 × 6,378.59
  4. Step 4: Simplify right side
    11,094x = 97,658,273.18
  5. Step 5: Solve for x
    x = 97,658,273.18/11,094
  6. Step 6: Final answer
    x = 8,802.80

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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.