Home / 13,147.43-19,724.85-4,383.09

Finding the Fourth Proportional to 13,147.43, 19,724.85 and 4,383.09

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Solution

The fourth proportional to 13,147.43, 19,724.85 and 4,383.09 is: 6,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,147.43 : 19,724.85 = 4,383.09 : x
  2. Step 2: Convert to fraction form
    13,147.43/19,724.85 = 4,383.09/x
  3. Step 3: Cross multiply
    13,147.43x = 19,724.85 × 4,383.09
  4. Step 4: Simplify right side
    13,147.43x = 86,455,792.79
  5. Step 5: Solve for x
    x = 86,455,792.79/13,147.43
  6. Step 6: Final answer
    x = 6,575.87

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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.