Home / 20,162.16-27,817.26-11,207.94

Finding the Fourth Proportional to 20,162.16, 27,817.26 and 11,207.94

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Solution

The fourth proportional to 20,162.16, 27,817.26 and 11,207.94 is: 15,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,162.16 : 27,817.26 = 11,207.94 : x
  2. Step 2: Convert to fraction form
    20,162.16/27,817.26 = 11,207.94/x
  3. Step 3: Cross multiply
    20,162.16x = 27,817.26 × 11,207.94
  4. Step 4: Simplify right side
    20,162.16x = 311,774,181.04
  5. Step 5: Solve for x
    x = 311,774,181.04/20,162.16
  6. Step 6: Final answer
    x = 15,463.33

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1.5x scale

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.