Home / 22,173.36-33,258.83-13,405.92

Finding the Fourth Proportional to 22,173.36, 33,258.83 and 13,405.92

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Solution

The fourth proportional to 22,173.36, 33,258.83 and 13,405.92 is: 20,108.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,173.36 : 33,258.83 = 13,405.92 : x
  2. Step 2: Convert to fraction form
    22,173.36/33,258.83 = 13,405.92/x
  3. Step 3: Cross multiply
    22,173.36x = 33,258.83 × 13,405.92
  4. Step 4: Simplify right side
    22,173.36x = 445,865,147.24
  5. Step 5: Solve for x
    x = 445,865,147.24/22,173.36
  6. Step 6: Final answer
    x = 20,108.15

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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.