Home / 13,309.56-19,967.29-3,950.33

Finding the Fourth Proportional to 13,309.56, 19,967.29 and 3,950.33

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Solution

The fourth proportional to 13,309.56, 19,967.29 and 3,950.33 is: 5,926.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,309.56 : 19,967.29 = 3,950.33 : x
  2. Step 2: Convert to fraction form
    13,309.56/19,967.29 = 3,950.33/x
  3. Step 3: Cross multiply
    13,309.56x = 19,967.29 × 3,950.33
  4. Step 4: Simplify right side
    13,309.56x = 78,877,274.99
  5. Step 5: Solve for x
    x = 78,877,274.99/13,309.56
  6. Step 6: Final answer
    x = 5,926.36

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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.