Home / 14,679.75-20,258.07-8,392.26

Finding the Fourth Proportional to 14,679.75, 20,258.07 and 8,392.26

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Solution

The fourth proportional to 14,679.75, 20,258.07 and 8,392.26 is: 11,581.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.75 : 20,258.07 = 8,392.26 : x
  2. Step 2: Convert to fraction form
    14,679.75/20,258.07 = 8,392.26/x
  3. Step 3: Cross multiply
    14,679.75x = 20,258.07 × 8,392.26
  4. Step 4: Simplify right side
    14,679.75x = 170,010,990.54
  5. Step 5: Solve for x
    x = 170,010,990.54/14,679.75
  6. Step 6: Final answer
    x = 11,581.33

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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.