Home / 11,134.90-15,367.89-6,354.82

Finding the Fourth Proportional to 11,134.90, 15,367.89 and 6,354.82

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Solution

The fourth proportional to 11,134.90, 15,367.89 and 6,354.82 is: 8,770.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,134.90 : 15,367.89 = 6,354.82 : x
  2. Step 2: Convert to fraction form
    11,134.90/15,367.89 = 6,354.82/x
  3. Step 3: Cross multiply
    11,134.90x = 15,367.89 × 6,354.82
  4. Step 4: Simplify right side
    11,134.90x = 97,660,217.77
  5. Step 5: Solve for x
    x = 97,660,217.77/11,134.90
  6. Step 6: Final answer
    x = 8,770.64

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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.