Home / 11,948.88-16,489.32-6,644.16

Finding the Fourth Proportional to 11,948.88, 16,489.32 and 6,644.16

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Solution

The fourth proportional to 11,948.88, 16,489.32 and 6,644.16 is: 9,168.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,948.88 : 16,489.32 = 6,644.16 : x
  2. Step 2: Convert to fraction form
    11,948.88/16,489.32 = 6,644.16/x
  3. Step 3: Cross multiply
    11,948.88x = 16,489.32 × 6,644.16
  4. Step 4: Simplify right side
    11,948.88x = 109,557,680.37
  5. Step 5: Solve for x
    x = 109,557,680.37/11,948.88
  6. Step 6: Final answer
    x = 9,168.87

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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.