Home / 20,301.77-30,455.94-6,258.51

Finding the Fourth Proportional to 20,301.77, 30,455.94 and 6,258.51

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Solution

The fourth proportional to 20,301.77, 30,455.94 and 6,258.51 is: 9,388.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.77 : 30,455.94 = 6,258.51 : x
  2. Step 2: Convert to fraction form
    20,301.77/30,455.94 = 6,258.51/x
  3. Step 3: Cross multiply
    20,301.77x = 30,455.94 × 6,258.51
  4. Step 4: Simplify right side
    20,301.77x = 190,608,948.20
  5. Step 5: Solve for x
    x = 190,608,948.20/20,301.77
  6. Step 6: Final answer
    x = 9,388.78

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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.