Home / 13,662.33-18,717.46-13,150.40

Finding the Fourth Proportional to 13,662.33, 18,717.46 and 13,150.40

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Solution

The fourth proportional to 13,662.33, 18,717.46 and 13,150.40 is: 18,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,662.33 : 18,717.46 = 13,150.40 : x
  2. Step 2: Convert to fraction form
    13,662.33/18,717.46 = 13,150.40/x
  3. Step 3: Cross multiply
    13,662.33x = 18,717.46 × 13,150.40
  4. Step 4: Simplify right side
    13,662.33x = 246,142,085.98
  5. Step 5: Solve for x
    x = 246,142,085.98/13,662.33
  6. Step 6: Final answer
    x = 18,016.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.