Home / 11,040.61-15,236.16-6,324.79

Finding the Fourth Proportional to 11,040.61, 15,236.16 and 6,324.79

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Solution

The fourth proportional to 11,040.61, 15,236.16 and 6,324.79 is: 8,728.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,040.61 : 15,236.16 = 6,324.79 : x
  2. Step 2: Convert to fraction form
    11,040.61/15,236.16 = 6,324.79/x
  3. Step 3: Cross multiply
    11,040.61x = 15,236.16 × 6,324.79
  4. Step 4: Simplify right side
    11,040.61x = 96,365,512.41
  5. Step 5: Solve for x
    x = 96,365,512.41/11,040.61
  6. Step 6: Final answer
    x = 8,728.28

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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.