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Finding the Fourth Proportional to 12,552.66, 18,832.03 and 3,787.04

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Solution

The fourth proportional to 12,552.66, 18,832.03 and 3,787.04 is: 5,681.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.66 : 18,832.03 = 3,787.04 : x
  2. Step 2: Convert to fraction form
    12,552.66/18,832.03 = 3,787.04/x
  3. Step 3: Cross multiply
    12,552.66x = 18,832.03 × 3,787.04
  4. Step 4: Simplify right side
    12,552.66x = 71,317,688.50
  5. Step 5: Solve for x
    x = 71,317,688.50/12,552.66
  6. Step 6: Final answer
    x = 5,681.48

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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.