Home / 13,786.09-19,014.61-8,745.96

Finding the Fourth Proportional to 13,786.09, 19,014.61 and 8,745.96

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Solution

The fourth proportional to 13,786.09, 19,014.61 and 8,745.96 is: 12,062.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,786.09 : 19,014.61 = 8,745.96 : x
  2. Step 2: Convert to fraction form
    13,786.09/19,014.61 = 8,745.96/x
  3. Step 3: Cross multiply
    13,786.09x = 19,014.61 × 8,745.96
  4. Step 4: Simplify right side
    13,786.09x = 166,301,018.48
  5. Step 5: Solve for x
    x = 166,301,018.48/13,786.09
  6. Step 6: Final answer
    x = 12,062.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.