Home / 14,630.42-20,189.97-8,258.36

Finding the Fourth Proportional to 14,630.42, 20,189.97 and 8,258.36

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Solution

The fourth proportional to 14,630.42, 20,189.97 and 8,258.36 is: 11,396.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,630.42 : 20,189.97 = 8,258.36 : x
  2. Step 2: Convert to fraction form
    14,630.42/20,189.97 = 8,258.36/x
  3. Step 3: Cross multiply
    14,630.42x = 20,189.97 × 8,258.36
  4. Step 4: Simplify right side
    14,630.42x = 166,735,939.70
  5. Step 5: Solve for x
    x = 166,735,939.70/14,630.42
  6. Step 6: Final answer
    x = 11,396.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.