Home / 11,907.32-17,861.85-4,009.79

Finding the Fourth Proportional to 11,907.32, 17,861.85 and 4,009.79

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Solution

The fourth proportional to 11,907.32, 17,861.85 and 4,009.79 is: 6,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.32 : 17,861.85 = 4,009.79 : x
  2. Step 2: Convert to fraction form
    11,907.32/17,861.85 = 4,009.79/x
  3. Step 3: Cross multiply
    11,907.32x = 17,861.85 × 4,009.79
  4. Step 4: Simplify right side
    11,907.32x = 71,622,312.17
  5. Step 5: Solve for x
    x = 71,622,312.17/11,907.32
  6. Step 6: Final answer
    x = 6,014.98

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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.