Home / 13,954.25-21,024.46-12,621.58

Finding the Fourth Proportional to 13,954.25, 21,024.46 and 12,621.58

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Solution

The fourth proportional to 13,954.25, 21,024.46 and 12,621.58 is: 19,016.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,954.25 : 21,024.46 = 12,621.58 : x
  2. Step 2: Convert to fraction form
    13,954.25/21,024.46 = 12,621.58/x
  3. Step 3: Cross multiply
    13,954.25x = 21,024.46 × 12,621.58
  4. Step 4: Simplify right side
    13,954.25x = 265,361,961.64
  5. Step 5: Solve for x
    x = 265,361,961.64/13,954.25
  6. Step 6: Final answer
    x = 19,016.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.