Home / 13,144.16-19,677.96-6,889.34

Finding the Fourth Proportional to 13,144.16, 19,677.96 and 6,889.34

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Solution

The fourth proportional to 13,144.16, 19,677.96 and 6,889.34 is: 10,313.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.16 : 19,677.96 = 6,889.34 : x
  2. Step 2: Convert to fraction form
    13,144.16/19,677.96 = 6,889.34/x
  3. Step 3: Cross multiply
    13,144.16x = 19,677.96 × 6,889.34
  4. Step 4: Simplify right side
    13,144.16x = 135,568,058.56
  5. Step 5: Solve for x
    x = 135,568,058.56/13,144.16
  6. Step 6: Final answer
    x = 10,313.94

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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.