Home / 16,630.78-22,953.33-15,883.42

Finding the Fourth Proportional to 16,630.78, 22,953.33 and 15,883.42

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Solution

The fourth proportional to 16,630.78, 22,953.33 and 15,883.42 is: 21,921.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,630.78 : 22,953.33 = 15,883.42 : x
  2. Step 2: Convert to fraction form
    16,630.78/22,953.33 = 15,883.42/x
  3. Step 3: Cross multiply
    16,630.78x = 22,953.33 × 15,883.42
  4. Step 4: Simplify right side
    16,630.78x = 364,577,380.79
  5. Step 5: Solve for x
    x = 364,577,380.79/16,630.78
  6. Step 6: Final answer
    x = 21,921.84

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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.