Home / 11,907.66-17,861.32-4,011.92

Finding the Fourth Proportional to 11,907.66, 17,861.32 and 4,011.92

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Solution

The fourth proportional to 11,907.66, 17,861.32 and 4,011.92 is: 6,017.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.66 : 17,861.32 = 4,011.92 : x
  2. Step 2: Convert to fraction form
    11,907.66/17,861.32 = 4,011.92/x
  3. Step 3: Cross multiply
    11,907.66x = 17,861.32 × 4,011.92
  4. Step 4: Simplify right side
    11,907.66x = 71,658,186.93
  5. Step 5: Solve for x
    x = 71,658,186.93/11,907.66
  6. Step 6: Final answer
    x = 6,017.82

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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.