Home / 13,916.03-20,882.24-5,157.05

Finding the Fourth Proportional to 13,916.03, 20,882.24 and 5,157.05

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Solution

The fourth proportional to 13,916.03, 20,882.24 and 5,157.05 is: 7,738.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,916.03 : 20,882.24 = 5,157.05 : x
  2. Step 2: Convert to fraction form
    13,916.03/20,882.24 = 5,157.05/x
  3. Step 3: Cross multiply
    13,916.03x = 20,882.24 × 5,157.05
  4. Step 4: Simplify right side
    13,916.03x = 107,690,755.79
  5. Step 5: Solve for x
    x = 107,690,755.79/13,916.03
  6. Step 6: Final answer
    x = 7,738.61

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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.