Home / 11,924.66-17,886.85-4,907.90

Finding the Fourth Proportional to 11,924.66, 17,886.85 and 4,907.90

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Solution

The fourth proportional to 11,924.66, 17,886.85 and 4,907.90 is: 7,361.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,924.66 : 17,886.85 = 4,907.90 : x
  2. Step 2: Convert to fraction form
    11,924.66/17,886.85 = 4,907.90/x
  3. Step 3: Cross multiply
    11,924.66x = 17,886.85 × 4,907.90
  4. Step 4: Simplify right side
    11,924.66x = 87,786,871.12
  5. Step 5: Solve for x
    x = 87,786,871.12/11,924.66
  6. Step 6: Final answer
    x = 7,361.79

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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.