Home / 11,748.05-16,212.51-6,442.82

Finding the Fourth Proportional to 11,748.05, 16,212.51 and 6,442.82

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Solution

The fourth proportional to 11,748.05, 16,212.51 and 6,442.82 is: 8,891.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.05 : 16,212.51 = 6,442.82 : x
  2. Step 2: Convert to fraction form
    11,748.05/16,212.51 = 6,442.82/x
  3. Step 3: Cross multiply
    11,748.05x = 16,212.51 × 6,442.82
  4. Step 4: Simplify right side
    11,748.05x = 104,454,202.62
  5. Step 5: Solve for x
    x = 104,454,202.62/11,748.05
  6. Step 6: Final answer
    x = 8,891.20

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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.