Home / 10,655.22-15,982.83-3,259.74

Finding the Fourth Proportional to 10,655.22, 15,982.83 and 3,259.74

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Solution

The fourth proportional to 10,655.22, 15,982.83 and 3,259.74 is: 4,889.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.22 : 15,982.83 = 3,259.74 : x
  2. Step 2: Convert to fraction form
    10,655.22/15,982.83 = 3,259.74/x
  3. Step 3: Cross multiply
    10,655.22x = 15,982.83 × 3,259.74
  4. Step 4: Simplify right side
    10,655.22x = 52,099,870.26
  5. Step 5: Solve for x
    x = 52,099,870.26/10,655.22
  6. Step 6: Final answer
    x = 4,889.61

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Similar ratio
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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.