Home / 11,887.52-16,410.96-11,102.24

Finding the Fourth Proportional to 11,887.52, 16,410.96 and 11,102.24

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Solution

The fourth proportional to 11,887.52, 16,410.96 and 11,102.24 is: 15,326.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,887.52 : 16,410.96 = 11,102.24 : x
  2. Step 2: Convert to fraction form
    11,887.52/16,410.96 = 11,102.24/x
  3. Step 3: Cross multiply
    11,887.52x = 16,410.96 × 11,102.24
  4. Step 4: Simplify right side
    11,887.52x = 182,198,416.55
  5. Step 5: Solve for x
    x = 182,198,416.55/11,887.52
  6. Step 6: Final answer
    x = 15,326.87

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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.