Home / 14,118.29-21,179.27-4,258.56

Finding the Fourth Proportional to 14,118.29, 21,179.27 and 4,258.56

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Solution

The fourth proportional to 14,118.29, 21,179.27 and 4,258.56 is: 6,388.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,118.29 : 21,179.27 = 4,258.56 : x
  2. Step 2: Convert to fraction form
    14,118.29/21,179.27 = 4,258.56/x
  3. Step 3: Cross multiply
    14,118.29x = 21,179.27 × 4,258.56
  4. Step 4: Simplify right side
    14,118.29x = 90,193,170.76
  5. Step 5: Solve for x
    x = 90,193,170.76/14,118.29
  6. Step 6: Final answer
    x = 6,388.39

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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.