Home / 16,622.37-22,982.09-15,887.97

Finding the Fourth Proportional to 16,622.37, 22,982.09 and 15,887.97

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Solution

The fourth proportional to 16,622.37, 22,982.09 and 15,887.97 is: 21,966.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.37 : 22,982.09 = 15,887.97 : x
  2. Step 2: Convert to fraction form
    16,622.37/22,982.09 = 15,887.97/x
  3. Step 3: Cross multiply
    16,622.37x = 22,982.09 × 15,887.97
  4. Step 4: Simplify right side
    16,622.37x = 365,138,677.02
  5. Step 5: Solve for x
    x = 365,138,677.02/16,622.37
  6. Step 6: Final answer
    x = 21,966.70

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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.