Home / 16,631.78-22,954.71-15,884.42

Finding the Fourth Proportional to 16,631.78, 22,954.71 and 15,884.42

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Solution

The fourth proportional to 16,631.78, 22,954.71 and 15,884.42 is: 21,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.78 : 22,954.71 = 15,884.42 : x
  2. Step 2: Convert to fraction form
    16,631.78/22,954.71 = 15,884.42/x
  3. Step 3: Cross multiply
    16,631.78x = 22,954.71 × 15,884.42
  4. Step 4: Simplify right side
    16,631.78x = 364,622,254.62
  5. Step 5: Solve for x
    x = 364,622,254.62/16,631.78
  6. Step 6: Final answer
    x = 21,923.22

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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.