Home / 20,863.33-31,300.11-6,072.38

Finding the Fourth Proportional to 20,863.33, 31,300.11 and 6,072.38

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Solution

The fourth proportional to 20,863.33, 31,300.11 and 6,072.38 is: 9,110.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.33 : 31,300.11 = 6,072.38 : x
  2. Step 2: Convert to fraction form
    20,863.33/31,300.11 = 6,072.38/x
  3. Step 3: Cross multiply
    20,863.33x = 31,300.11 × 6,072.38
  4. Step 4: Simplify right side
    20,863.33x = 190,066,122.84
  5. Step 5: Solve for x
    x = 190,066,122.84/20,863.33
  6. Step 6: Final answer
    x = 9,110.06

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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.