Home / 13,202.08-18,218.33-7,893.76

Finding the Fourth Proportional to 13,202.08, 18,218.33 and 7,893.76

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Solution

The fourth proportional to 13,202.08, 18,218.33 and 7,893.76 is: 10,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,202.08 : 18,218.33 = 7,893.76 : x
  2. Step 2: Convert to fraction form
    13,202.08/18,218.33 = 7,893.76/x
  3. Step 3: Cross multiply
    13,202.08x = 18,218.33 × 7,893.76
  4. Step 4: Simplify right side
    13,202.08x = 143,811,124.62
  5. Step 5: Solve for x
    x = 143,811,124.62/13,202.08
  6. Step 6: Final answer
    x = 10,893.07

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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.