Home / 12,965.94-19,447.29-3,606.66

Finding the Fourth Proportional to 12,965.94, 19,447.29 and 3,606.66

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Solution

The fourth proportional to 12,965.94, 19,447.29 and 3,606.66 is: 5,409.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,965.94 : 19,447.29 = 3,606.66 : x
  2. Step 2: Convert to fraction form
    12,965.94/19,447.29 = 3,606.66/x
  3. Step 3: Cross multiply
    12,965.94x = 19,447.29 × 3,606.66
  4. Step 4: Simplify right side
    12,965.94x = 70,139,762.95
  5. Step 5: Solve for x
    x = 70,139,762.95/12,965.94
  6. Step 6: Final answer
    x = 5,409.54

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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.