Home / 22,156.07-30,575.25-12,084.32

Finding the Fourth Proportional to 22,156.07, 30,575.25 and 12,084.32

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Solution

The fourth proportional to 22,156.07, 30,575.25 and 12,084.32 is: 16,676.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,156.07 : 30,575.25 = 12,084.32 : x
  2. Step 2: Convert to fraction form
    22,156.07/30,575.25 = 12,084.32/x
  3. Step 3: Cross multiply
    22,156.07x = 30,575.25 × 12,084.32
  4. Step 4: Simplify right side
    22,156.07x = 369,481,105.08
  5. Step 5: Solve for x
    x = 369,481,105.08/22,156.07
  6. Step 6: Final answer
    x = 16,676.29

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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.