Home / 22,431.48-33,604.10-12,540.76

Finding the Fourth Proportional to 22,431.48, 33,604.10 and 12,540.76

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Solution

The fourth proportional to 22,431.48, 33,604.10 and 12,540.76 is: 18,787.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,431.48 : 33,604.10 = 12,540.76 : x
  2. Step 2: Convert to fraction form
    22,431.48/33,604.10 = 12,540.76/x
  3. Step 3: Cross multiply
    22,431.48x = 33,604.10 × 12,540.76
  4. Step 4: Simplify right side
    22,431.48x = 421,420,890.41
  5. Step 5: Solve for x
    x = 421,420,890.41/22,431.48
  6. Step 6: Final answer
    x = 18,787.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.