Home / 22,236.07-30,685.52-12,164.39

Finding the Fourth Proportional to 22,236.07, 30,685.52 and 12,164.39

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Solution

The fourth proportional to 22,236.07, 30,685.52 and 12,164.39 is: 16,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,236.07 : 30,685.52 = 12,164.39 : x
  2. Step 2: Convert to fraction form
    22,236.07/30,685.52 = 12,164.39/x
  3. Step 3: Cross multiply
    22,236.07x = 30,685.52 × 12,164.39
  4. Step 4: Simplify right side
    22,236.07x = 373,270,612.24
  5. Step 5: Solve for x
    x = 373,270,612.24/22,236.07
  6. Step 6: Final answer
    x = 16,786.72

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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.