Home / 11,076.66-15,287.76-6,603

Finding the Fourth Proportional to 11,076.66, 15,287.76 and 6,603

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Solution

The fourth proportional to 11,076.66, 15,287.76 and 6,603 is: 9,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,076.66 : 15,287.76 = 6,603 : x
  2. Step 2: Convert to fraction form
    11,076.66/15,287.76 = 6,603/x
  3. Step 3: Cross multiply
    11,076.66x = 15,287.76 × 6,603
  4. Step 4: Simplify right side
    11,076.66x = 100,945,079.28
  5. Step 5: Solve for x
    x = 100,945,079.28/11,076.66
  6. Step 6: Final answer
    x = 9,113.31

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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.