Home / 14,093.62-19,452.69-8,128.87

Finding the Fourth Proportional to 14,093.62, 19,452.69 and 8,128.87

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Solution

The fourth proportional to 14,093.62, 19,452.69 and 8,128.87 is: 11,219.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,093.62 : 19,452.69 = 8,128.87 : x
  2. Step 2: Convert to fraction form
    14,093.62/19,452.69 = 8,128.87/x
  3. Step 3: Cross multiply
    14,093.62x = 19,452.69 × 8,128.87
  4. Step 4: Simplify right side
    14,093.62x = 158,128,250.25
  5. Step 5: Solve for x
    x = 158,128,250.25/14,093.62
  6. Step 6: Final answer
    x = 11,219.85

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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.