Home / 18,179.80-25,100.55-13,923.34

Finding the Fourth Proportional to 18,179.80, 25,100.55 and 13,923.34

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Solution

The fourth proportional to 18,179.80, 25,100.55 and 13,923.34 is: 19,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,179.80 : 25,100.55 = 13,923.34 : x
  2. Step 2: Convert to fraction form
    18,179.80/25,100.55 = 13,923.34/x
  3. Step 3: Cross multiply
    18,179.80x = 25,100.55 × 13,923.34
  4. Step 4: Simplify right side
    18,179.80x = 349,483,491.84
  5. Step 5: Solve for x
    x = 349,483,491.84/18,179.80
  6. Step 6: Final answer
    x = 19,223.73

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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.