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Finding the Fourth Proportional to 11,335.86, 17,014.56 and 6,961.86

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Solution

The fourth proportional to 11,335.86, 17,014.56 and 6,961.86 is: 10,449.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,335.86 : 17,014.56 = 6,961.86 : x
  2. Step 2: Convert to fraction form
    11,335.86/17,014.56 = 6,961.86/x
  3. Step 3: Cross multiply
    11,335.86x = 17,014.56 × 6,961.86
  4. Step 4: Simplify right side
    11,335.86x = 118,452,984.68
  5. Step 5: Solve for x
    x = 118,452,984.68/11,335.86
  6. Step 6: Final answer
    x = 10,449.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.