Home / 11,836.72-16,335.48-6,868.72

Finding the Fourth Proportional to 11,836.72, 16,335.48 and 6,868.72

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Solution

The fourth proportional to 11,836.72, 16,335.48 and 6,868.72 is: 9,479.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,836.72 : 16,335.48 = 6,868.72 : x
  2. Step 2: Convert to fraction form
    11,836.72/16,335.48 = 6,868.72/x
  3. Step 3: Cross multiply
    11,836.72x = 16,335.48 × 6,868.72
  4. Step 4: Simplify right side
    11,836.72x = 112,203,838.19
  5. Step 5: Solve for x
    x = 112,203,838.19/11,836.72
  6. Step 6: Final answer
    x = 9,479.30

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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.