Home / 11,820.96-17,727.66-5,577.21

Finding the Fourth Proportional to 11,820.96, 17,727.66 and 5,577.21

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Solution

The fourth proportional to 11,820.96, 17,727.66 and 5,577.21 is: 8,364.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.96 : 17,727.66 = 5,577.21 : x
  2. Step 2: Convert to fraction form
    11,820.96/17,727.66 = 5,577.21/x
  3. Step 3: Cross multiply
    11,820.96x = 17,727.66 × 5,577.21
  4. Step 4: Simplify right side
    11,820.96x = 98,870,882.63
  5. Step 5: Solve for x
    x = 98,870,882.63/11,820.96
  6. Step 6: Final answer
    x = 8,364.03

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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.