Home / 12,914.74-19,372.26-12,285.22

Finding the Fourth Proportional to 12,914.74, 19,372.26 and 12,285.22

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Solution

The fourth proportional to 12,914.74, 19,372.26 and 12,285.22 is: 18,427.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,914.74 : 19,372.26 = 12,285.22 : x
  2. Step 2: Convert to fraction form
    12,914.74/19,372.26 = 12,285.22/x
  3. Step 3: Cross multiply
    12,914.74x = 19,372.26 × 12,285.22
  4. Step 4: Simplify right side
    12,914.74x = 237,992,476.00
  5. Step 5: Solve for x
    x = 237,992,476.00/12,914.74
  6. Step 6: Final answer
    x = 18,427.97

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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.