Home / 20,028.96-30,045.06-6,881.34

Finding the Fourth Proportional to 20,028.96, 30,045.06 and 6,881.34

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Solution

The fourth proportional to 20,028.96, 30,045.06 and 6,881.34 is: 10,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,028.96 : 30,045.06 = 6,881.34 : x
  2. Step 2: Convert to fraction form
    20,028.96/30,045.06 = 6,881.34/x
  3. Step 3: Cross multiply
    20,028.96x = 30,045.06 × 6,881.34
  4. Step 4: Simplify right side
    20,028.96x = 206,750,273.18
  5. Step 5: Solve for x
    x = 206,750,273.18/20,028.96
  6. Step 6: Final answer
    x = 10,322.57

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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.