Home / 11,659.15-17,486.70-4,259.80

Finding the Fourth Proportional to 11,659.15, 17,486.70 and 4,259.80

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Solution

The fourth proportional to 11,659.15, 17,486.70 and 4,259.80 is: 6,388.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,659.15 : 17,486.70 = 4,259.80 : x
  2. Step 2: Convert to fraction form
    11,659.15/17,486.70 = 4,259.80/x
  3. Step 3: Cross multiply
    11,659.15x = 17,486.70 × 4,259.80
  4. Step 4: Simplify right side
    11,659.15x = 74,489,844.66
  5. Step 5: Solve for x
    x = 74,489,844.66/11,659.15
  6. Step 6: Final answer
    x = 6,388.96

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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.