Home / 11,310.58-15,608.68-6,274.90

Finding the Fourth Proportional to 11,310.58, 15,608.68 and 6,274.90

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Solution

The fourth proportional to 11,310.58, 15,608.68 and 6,274.90 is: 8,659.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.58 : 15,608.68 = 6,274.90 : x
  2. Step 2: Convert to fraction form
    11,310.58/15,608.68 = 6,274.90/x
  3. Step 3: Cross multiply
    11,310.58x = 15,608.68 × 6,274.90
  4. Step 4: Simplify right side
    11,310.58x = 97,942,909.96
  5. Step 5: Solve for x
    x = 97,942,909.96/11,310.58
  6. Step 6: Final answer
    x = 8,659.41

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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.