Home / 11,096.64-15,309.66-7,321.68

Finding the Fourth Proportional to 11,096.64, 15,309.66 and 7,321.68

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Solution

The fourth proportional to 11,096.64, 15,309.66 and 7,321.68 is: 10,101.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,096.64 : 15,309.66 = 7,321.68 : x
  2. Step 2: Convert to fraction form
    11,096.64/15,309.66 = 7,321.68/x
  3. Step 3: Cross multiply
    11,096.64x = 15,309.66 × 7,321.68
  4. Step 4: Simplify right side
    11,096.64x = 112,092,431.43
  5. Step 5: Solve for x
    x = 112,092,431.43/11,096.64
  6. Step 6: Final answer
    x = 10,101.47

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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.