Home / 11,876.64-17,809.94-3,557.84

Finding the Fourth Proportional to 11,876.64, 17,809.94 and 3,557.84

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Solution

The fourth proportional to 11,876.64, 17,809.94 and 3,557.84 is: 5,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876.64 : 17,809.94 = 3,557.84 : x
  2. Step 2: Convert to fraction form
    11,876.64/17,809.94 = 3,557.84/x
  3. Step 3: Cross multiply
    11,876.64x = 17,809.94 × 3,557.84
  4. Step 4: Simplify right side
    11,876.64x = 63,364,836.77
  5. Step 5: Solve for x
    x = 63,364,836.77/11,876.64
  6. Step 6: Final answer
    x = 5,335.25

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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.