Home / 12,814.82-19,225.46-3,580.82

Finding the Fourth Proportional to 12,814.82, 19,225.46 and 3,580.82

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Solution

The fourth proportional to 12,814.82, 19,225.46 and 3,580.82 is: 5,372.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,814.82 : 19,225.46 = 3,580.82 : x
  2. Step 2: Convert to fraction form
    12,814.82/19,225.46 = 3,580.82/x
  3. Step 3: Cross multiply
    12,814.82x = 19,225.46 × 3,580.82
  4. Step 4: Simplify right side
    12,814.82x = 68,842,911.68
  5. Step 5: Solve for x
    x = 68,842,911.68/12,814.82
  6. Step 6: Final answer
    x = 5,372.13

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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.