Home / 11,907.32-17,865.30-4,116.92

Finding the Fourth Proportional to 11,907.32, 17,865.30 and 4,116.92

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Solution

The fourth proportional to 11,907.32, 17,865.30 and 4,116.92 is: 6,176.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.32 : 17,865.30 = 4,116.92 : x
  2. Step 2: Convert to fraction form
    11,907.32/17,865.30 = 4,116.92/x
  3. Step 3: Cross multiply
    11,907.32x = 17,865.30 × 4,116.92
  4. Step 4: Simplify right side
    11,907.32x = 73,550,010.88
  5. Step 5: Solve for x
    x = 73,550,010.88/11,907.32
  6. Step 6: Final answer
    x = 6,176.87

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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.