Home / 17,717.77-26,577.62-7,186.22

Finding the Fourth Proportional to 17,717.77, 26,577.62 and 7,186.22

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Solution

The fourth proportional to 17,717.77, 26,577.62 and 7,186.22 is: 10,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,717.77 : 26,577.62 = 7,186.22 : x
  2. Step 2: Convert to fraction form
    17,717.77/26,577.62 = 7,186.22/x
  3. Step 3: Cross multiply
    17,717.77x = 26,577.62 × 7,186.22
  4. Step 4: Simplify right side
    17,717.77x = 190,992,742.03
  5. Step 5: Solve for x
    x = 190,992,742.03/17,717.77
  6. Step 6: Final answer
    x = 10,779.73

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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.