Home / 11,486.56-17,230.92-4,090.72

Finding the Fourth Proportional to 11,486.56, 17,230.92 and 4,090.72

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Solution

The fourth proportional to 11,486.56, 17,230.92 and 4,090.72 is: 6,136.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,486.56 : 17,230.92 = 4,090.72 : x
  2. Step 2: Convert to fraction form
    11,486.56/17,230.92 = 4,090.72/x
  3. Step 3: Cross multiply
    11,486.56x = 17,230.92 × 4,090.72
  4. Step 4: Simplify right side
    11,486.56x = 70,486,869.06
  5. Step 5: Solve for x
    x = 70,486,869.06/11,486.56
  6. Step 6: Final answer
    x = 6,136.46

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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.