Home / 10,659.40-15,987.83-3,268.96

Finding the Fourth Proportional to 10,659.40, 15,987.83 and 3,268.96

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Solution

The fourth proportional to 10,659.40, 15,987.83 and 3,268.96 is: 4,903.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,659.40 : 15,987.83 = 3,268.96 : x
  2. Step 2: Convert to fraction form
    10,659.40/15,987.83 = 3,268.96/x
  3. Step 3: Cross multiply
    10,659.40x = 15,987.83 × 3,268.96
  4. Step 4: Simplify right side
    10,659.40x = 52,263,576.76
  5. Step 5: Solve for x
    x = 52,263,576.76/10,659.40
  6. Step 6: Final answer
    x = 4,903.05

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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.