Home / 20,301.90-30,456.13-6,258.64

Finding the Fourth Proportional to 20,301.90, 30,456.13 and 6,258.64

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Solution

The fourth proportional to 20,301.90, 30,456.13 and 6,258.64 is: 9,388.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.90 : 30,456.13 = 6,258.64 : x
  2. Step 2: Convert to fraction form
    20,301.90/30,456.13 = 6,258.64/x
  3. Step 3: Cross multiply
    20,301.90x = 30,456.13 × 6,258.64
  4. Step 4: Simplify right side
    20,301.90x = 190,613,915.39
  5. Step 5: Solve for x
    x = 190,613,915.39/20,301.90
  6. Step 6: Final answer
    x = 9,388.97

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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.