Home / 16,780.50-25,170.90-5,093.72

Finding the Fourth Proportional to 16,780.50, 25,170.90 and 5,093.72

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Solution

The fourth proportional to 16,780.50, 25,170.90 and 5,093.72 is: 7,640.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780.50 : 25,170.90 = 5,093.72 : x
  2. Step 2: Convert to fraction form
    16,780.50/25,170.90 = 5,093.72/x
  3. Step 3: Cross multiply
    16,780.50x = 25,170.90 × 5,093.72
  4. Step 4: Simplify right side
    16,780.50x = 128,213,494.84
  5. Step 5: Solve for x
    x = 128,213,494.84/16,780.50
  6. Step 6: Final answer
    x = 7,640.62

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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.