Home / 19,611.12-27,066.96-11,658

Finding the Fourth Proportional to 19,611.12, 27,066.96 and 11,658

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Solution

The fourth proportional to 19,611.12, 27,066.96 and 11,658 is: 16,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,611.12 : 27,066.96 = 11,658 : x
  2. Step 2: Convert to fraction form
    19,611.12/27,066.96 = 11,658/x
  3. Step 3: Cross multiply
    19,611.12x = 27,066.96 × 11,658
  4. Step 4: Simplify right side
    19,611.12x = 315,546,619.68
  5. Step 5: Solve for x
    x = 315,546,619.68/19,611.12
  6. Step 6: Final answer
    x = 16,090.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.