Home / 18,208.18-27,361.68-9,894.34

Finding the Fourth Proportional to 18,208.18, 27,361.68 and 9,894.34

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Solution

The fourth proportional to 18,208.18, 27,361.68 and 9,894.34 is: 14,868.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,208.18 : 27,361.68 = 9,894.34 : x
  2. Step 2: Convert to fraction form
    18,208.18/27,361.68 = 9,894.34/x
  3. Step 3: Cross multiply
    18,208.18x = 27,361.68 × 9,894.34
  4. Step 4: Simplify right side
    18,208.18x = 270,725,764.89
  5. Step 5: Solve for x
    x = 270,725,764.89/18,208.18
  6. Step 6: Final answer
    x = 14,868.36

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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.