Home / 22,150.50-30,568.26-12,079.36

Finding the Fourth Proportional to 22,150.50, 30,568.26 and 12,079.36

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Solution

The fourth proportional to 22,150.50, 30,568.26 and 12,079.36 is: 16,669.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,150.50 : 30,568.26 = 12,079.36 : x
  2. Step 2: Convert to fraction form
    22,150.50/30,568.26 = 12,079.36/x
  3. Step 3: Cross multiply
    22,150.50x = 30,568.26 × 12,079.36
  4. Step 4: Simplify right side
    22,150.50x = 369,245,017.11
  5. Step 5: Solve for x
    x = 369,245,017.11/22,150.50
  6. Step 6: Final answer
    x = 16,669.83

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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.