Home / 11,785.20-16,261.56-7,003.26

Finding the Fourth Proportional to 11,785.20, 16,261.56 and 7,003.26

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Solution

The fourth proportional to 11,785.20, 16,261.56 and 7,003.26 is: 9,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,785.20 : 16,261.56 = 7,003.26 : x
  2. Step 2: Convert to fraction form
    11,785.20/16,261.56 = 7,003.26/x
  3. Step 3: Cross multiply
    11,785.20x = 16,261.56 × 7,003.26
  4. Step 4: Simplify right side
    11,785.20x = 113,883,932.69
  5. Step 5: Solve for x
    x = 113,883,932.69/11,785.20
  6. Step 6: Final answer
    x = 9,663.30

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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.