Home / 20,837.12-31,258.42-6,792.23

Finding the Fourth Proportional to 20,837.12, 31,258.42 and 6,792.23

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Solution

The fourth proportional to 20,837.12, 31,258.42 and 6,792.23 is: 10,189.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,837.12 : 31,258.42 = 6,792.23 : x
  2. Step 2: Convert to fraction form
    20,837.12/31,258.42 = 6,792.23/x
  3. Step 3: Cross multiply
    20,837.12x = 31,258.42 × 6,792.23
  4. Step 4: Simplify right side
    20,837.12x = 212,314,221.78
  5. Step 5: Solve for x
    x = 212,314,221.78/20,837.12
  6. Step 6: Final answer
    x = 10,189.23

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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.