Home / 11,907.91-17,862.56-4,009.76

Finding the Fourth Proportional to 11,907.91, 17,862.56 and 4,009.76

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Solution

The fourth proportional to 11,907.91, 17,862.56 and 4,009.76 is: 6,014.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,907.91 : 17,862.56 = 4,009.76 : x
  2. Step 2: Convert to fraction form
    11,907.91/17,862.56 = 4,009.76/x
  3. Step 3: Cross multiply
    11,907.91x = 17,862.56 × 4,009.76
  4. Step 4: Simplify right side
    11,907.91x = 71,624,558.54
  5. Step 5: Solve for x
    x = 71,624,558.54/11,907.91
  6. Step 6: Final answer
    x = 6,014.87

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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.