Home / 22,446.20-30,975.32-12,374.46

Finding the Fourth Proportional to 22,446.20, 30,975.32 and 12,374.46

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Solution

The fourth proportional to 22,446.20, 30,975.32 and 12,374.46 is: 17,076.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,446.20 : 30,975.32 = 12,374.46 : x
  2. Step 2: Convert to fraction form
    22,446.20/30,975.32 = 12,374.46/x
  3. Step 3: Cross multiply
    22,446.20x = 30,975.32 × 12,374.46
  4. Step 4: Simplify right side
    22,446.20x = 383,302,796.45
  5. Step 5: Solve for x
    x = 383,302,796.45/22,446.20
  6. Step 6: Final answer
    x = 17,076.52

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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.