Home / 16,201.64-22,212.45-15,906.40

Finding the Fourth Proportional to 16,201.64, 22,212.45 and 15,906.40

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Solution

The fourth proportional to 16,201.64, 22,212.45 and 15,906.40 is: 21,807.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,201.64 : 22,212.45 = 15,906.40 : x
  2. Step 2: Convert to fraction form
    16,201.64/22,212.45 = 15,906.40/x
  3. Step 3: Cross multiply
    16,201.64x = 22,212.45 × 15,906.40
  4. Step 4: Simplify right side
    16,201.64x = 353,320,114.68
  5. Step 5: Solve for x
    x = 353,320,114.68/16,201.64
  6. Step 6: Final answer
    x = 21,807.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.