Home / 13,313.34-18,379.89-8,843.19

Finding the Fourth Proportional to 13,313.34, 18,379.89 and 8,843.19

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Solution

The fourth proportional to 13,313.34, 18,379.89 and 8,843.19 is: 12,208.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.34 : 18,379.89 = 8,843.19 : x
  2. Step 2: Convert to fraction form
    13,313.34/18,379.89 = 8,843.19/x
  3. Step 3: Cross multiply
    13,313.34x = 18,379.89 × 8,843.19
  4. Step 4: Simplify right side
    13,313.34x = 162,536,859.45
  5. Step 5: Solve for x
    x = 162,536,859.45/13,313.34
  6. Step 6: Final answer
    x = 12,208.57

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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.