Home / 12,552.51-18,828.28-3,787.19

Finding the Fourth Proportional to 12,552.51, 18,828.28 and 3,787.19

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Solution

The fourth proportional to 12,552.51, 18,828.28 and 3,787.19 is: 5,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.51 : 18,828.28 = 3,787.19 : x
  2. Step 2: Convert to fraction form
    12,552.51/18,828.28 = 3,787.19/x
  3. Step 3: Cross multiply
    12,552.51x = 18,828.28 × 3,787.19
  4. Step 4: Simplify right side
    12,552.51x = 71,306,273.73
  5. Step 5: Solve for x
    x = 71,306,273.73/12,552.51
  6. Step 6: Final answer
    x = 5,680.64

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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.