Home / 12,845.42-19,279.05-5,059.70

Finding the Fourth Proportional to 12,845.42, 19,279.05 and 5,059.70

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Solution

The fourth proportional to 12,845.42, 19,279.05 and 5,059.70 is: 7,593.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.42 : 19,279.05 = 5,059.70 : x
  2. Step 2: Convert to fraction form
    12,845.42/19,279.05 = 5,059.70/x
  3. Step 3: Cross multiply
    12,845.42x = 19,279.05 × 5,059.70
  4. Step 4: Simplify right side
    12,845.42x = 97,546,112.89
  5. Step 5: Solve for x
    x = 97,546,112.89/12,845.42
  6. Step 6: Final answer
    x = 7,593.85

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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.