Home / 11,322.66-15,634.60-7,350.60

Finding the Fourth Proportional to 11,322.66, 15,634.60 and 7,350.60

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Solution

The fourth proportional to 11,322.66, 15,634.60 and 7,350.60 is: 10,149.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.66 : 15,634.60 = 7,350.60 : x
  2. Step 2: Convert to fraction form
    11,322.66/15,634.60 = 7,350.60/x
  3. Step 3: Cross multiply
    11,322.66x = 15,634.60 × 7,350.60
  4. Step 4: Simplify right side
    11,322.66x = 114,923,690.76
  5. Step 5: Solve for x
    x = 114,923,690.76/11,322.66
  6. Step 6: Final answer
    x = 10,149.88

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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.