Home / 19,737.70-27,256.21-12,676.42

Finding the Fourth Proportional to 19,737.70, 27,256.21 and 12,676.42

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Solution

The fourth proportional to 19,737.70, 27,256.21 and 12,676.42 is: 17,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,737.70 : 27,256.21 = 12,676.42 : x
  2. Step 2: Convert to fraction form
    19,737.70/27,256.21 = 12,676.42/x
  3. Step 3: Cross multiply
    19,737.70x = 27,256.21 × 12,676.42
  4. Step 4: Simplify right side
    19,737.70x = 345,511,165.57
  5. Step 5: Solve for x
    x = 345,511,165.57/19,737.70
  6. Step 6: Final answer
    x = 17,505.14

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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.