Home / 16,919.28-25,381.35-5,229.77

Finding the Fourth Proportional to 16,919.28, 25,381.35 and 5,229.77

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Solution

The fourth proportional to 16,919.28, 25,381.35 and 5,229.77 is: 7,845.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.28 : 25,381.35 = 5,229.77 : x
  2. Step 2: Convert to fraction form
    16,919.28/25,381.35 = 5,229.77/x
  3. Step 3: Cross multiply
    16,919.28x = 25,381.35 × 5,229.77
  4. Step 4: Simplify right side
    16,919.28x = 132,738,495.88
  5. Step 5: Solve for x
    x = 132,738,495.88/16,919.28
  6. Step 6: Final answer
    x = 7,845.40

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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.