Home / 11,912.41-16,439.09-6,534.87

Finding the Fourth Proportional to 11,912.41, 16,439.09 and 6,534.87

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Solution

The fourth proportional to 11,912.41, 16,439.09 and 6,534.87 is: 9,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,912.41 : 16,439.09 = 6,534.87 : x
  2. Step 2: Convert to fraction form
    11,912.41/16,439.09 = 6,534.87/x
  3. Step 3: Cross multiply
    11,912.41x = 16,439.09 × 6,534.87
  4. Step 4: Simplify right side
    11,912.41x = 107,427,332.41
  5. Step 5: Solve for x
    x = 107,427,332.41/11,912.41
  6. Step 6: Final answer
    x = 9,018.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.