Home / 16,077.72-22,180.62-9,787.80

Finding the Fourth Proportional to 16,077.72, 22,180.62 and 9,787.80

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Solution

The fourth proportional to 16,077.72, 22,180.62 and 9,787.80 is: 13,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,077.72 : 22,180.62 = 9,787.80 : x
  2. Step 2: Convert to fraction form
    16,077.72/22,180.62 = 9,787.80/x
  3. Step 3: Cross multiply
    16,077.72x = 22,180.62 × 9,787.80
  4. Step 4: Simplify right side
    16,077.72x = 217,099,472.44
  5. Step 5: Solve for x
    x = 217,099,472.44/16,077.72
  6. Step 6: Final answer
    x = 13,503.13

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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.