Home / 12,876.72-19,314.99-8,462.22

Finding the Fourth Proportional to 12,876.72, 19,314.99 and 8,462.22

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Solution

The fourth proportional to 12,876.72, 19,314.99 and 8,462.22 is: 12,693.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,876.72 : 19,314.99 = 8,462.22 : x
  2. Step 2: Convert to fraction form
    12,876.72/19,314.99 = 8,462.22/x
  3. Step 3: Cross multiply
    12,876.72x = 19,314.99 × 8,462.22
  4. Step 4: Simplify right side
    12,876.72x = 163,447,694.68
  5. Step 5: Solve for x
    x = 163,447,694.68/12,876.72
  6. Step 6: Final answer
    x = 12,693.27

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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.