Home / 22,108.05-30,508.35-12,036.33

Finding the Fourth Proportional to 22,108.05, 30,508.35 and 12,036.33

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Solution

The fourth proportional to 22,108.05, 30,508.35 and 12,036.33 is: 16,609.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108.05 : 30,508.35 = 12,036.33 : x
  2. Step 2: Convert to fraction form
    22,108.05/30,508.35 = 12,036.33/x
  3. Step 3: Cross multiply
    22,108.05x = 30,508.35 × 12,036.33
  4. Step 4: Simplify right side
    22,108.05x = 367,208,568.36
  5. Step 5: Solve for x
    x = 367,208,568.36/22,108.05
  6. Step 6: Final answer
    x = 16,609.72

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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.