Home / 22,376.34-30,879.56-12,304.85

Finding the Fourth Proportional to 22,376.34, 30,879.56 and 12,304.85

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Solution

The fourth proportional to 22,376.34, 30,879.56 and 12,304.85 is: 16,980.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,376.34 : 30,879.56 = 12,304.85 : x
  2. Step 2: Convert to fraction form
    22,376.34/30,879.56 = 12,304.85/x
  3. Step 3: Cross multiply
    22,376.34x = 30,879.56 × 12,304.85
  4. Step 4: Simplify right side
    22,376.34x = 379,968,353.87
  5. Step 5: Solve for x
    x = 379,968,353.87/22,376.34
  6. Step 6: Final answer
    x = 16,980.81

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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.