Home / 11,457.11-17,185.64-3,137.19

Finding the Fourth Proportional to 11,457.11, 17,185.64 and 3,137.19

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Solution

The fourth proportional to 11,457.11, 17,185.64 and 3,137.19 is: 4,705.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.11 : 17,185.64 = 3,137.19 : x
  2. Step 2: Convert to fraction form
    11,457.11/17,185.64 = 3,137.19/x
  3. Step 3: Cross multiply
    11,457.11x = 17,185.64 × 3,137.19
  4. Step 4: Simplify right side
    11,457.11x = 53,914,602.27
  5. Step 5: Solve for x
    x = 53,914,602.27/11,457.11
  6. Step 6: Final answer
    x = 4,705.78

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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.