Home / 14,679.82-20,258.14-8,392.33

Finding the Fourth Proportional to 14,679.82, 20,258.14 and 8,392.33

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Solution

The fourth proportional to 14,679.82, 20,258.14 and 8,392.33 is: 11,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,679.82 : 20,258.14 = 8,392.33 : x
  2. Step 2: Convert to fraction form
    14,679.82/20,258.14 = 8,392.33/x
  3. Step 3: Cross multiply
    14,679.82x = 20,258.14 × 8,392.33
  4. Step 4: Simplify right side
    14,679.82x = 170,012,996.07
  5. Step 5: Solve for x
    x = 170,012,996.07/14,679.82
  6. Step 6: Final answer
    x = 11,581.41

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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.