Home / 12,551.86-18,827.94-3,787.16

Finding the Fourth Proportional to 12,551.86, 18,827.94 and 3,787.16

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Solution

The fourth proportional to 12,551.86, 18,827.94 and 3,787.16 is: 5,680.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.86 : 18,827.94 = 3,787.16 : x
  2. Step 2: Convert to fraction form
    12,551.86/18,827.94 = 3,787.16/x
  3. Step 3: Cross multiply
    12,551.86x = 18,827.94 × 3,787.16
  4. Step 4: Simplify right side
    12,551.86x = 71,304,341.31
  5. Step 5: Solve for x
    x = 71,304,341.31/12,551.86
  6. Step 6: Final answer
    x = 5,680.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.