Home / 16,211.25-22,324.14-15,528.42

Finding the Fourth Proportional to 16,211.25, 22,324.14 and 15,528.42

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Solution

The fourth proportional to 16,211.25, 22,324.14 and 15,528.42 is: 21,383.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,211.25 : 22,324.14 = 15,528.42 : x
  2. Step 2: Convert to fraction form
    16,211.25/22,324.14 = 15,528.42/x
  3. Step 3: Cross multiply
    16,211.25x = 22,324.14 × 15,528.42
  4. Step 4: Simplify right side
    16,211.25x = 346,658,622.06
  5. Step 5: Solve for x
    x = 346,658,622.06/16,211.25
  6. Step 6: Final answer
    x = 21,383.83

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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.