Home / 22,109.36-30,510.60-12,173.36

Finding the Fourth Proportional to 22,109.36, 30,510.60 and 12,173.36

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Solution

The fourth proportional to 22,109.36, 30,510.60 and 12,173.36 is: 16,799.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,109.36 : 30,510.60 = 12,173.36 : x
  2. Step 2: Convert to fraction form
    22,109.36/30,510.60 = 12,173.36/x
  3. Step 3: Cross multiply
    22,109.36x = 30,510.60 × 12,173.36
  4. Step 4: Simplify right side
    22,109.36x = 371,416,517.62
  5. Step 5: Solve for x
    x = 371,416,517.62/22,109.36
  6. Step 6: Final answer
    x = 16,799.06

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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.