Home / 13,021.11-19,529.54-3,661.77

Finding the Fourth Proportional to 13,021.11, 19,529.54 and 3,661.77

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Solution

The fourth proportional to 13,021.11, 19,529.54 and 3,661.77 is: 5,492.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,021.11 : 19,529.54 = 3,661.77 : x
  2. Step 2: Convert to fraction form
    13,021.11/19,529.54 = 3,661.77/x
  3. Step 3: Cross multiply
    13,021.11x = 19,529.54 × 3,661.77
  4. Step 4: Simplify right side
    13,021.11x = 71,512,665.38
  5. Step 5: Solve for x
    x = 71,512,665.38/13,021.11
  6. Step 6: Final answer
    x = 5,492.06

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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.