Home / 13,926.51-20,869.26-10,211.37

Finding the Fourth Proportional to 13,926.51, 20,869.26 and 10,211.37

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Solution

The fourth proportional to 13,926.51, 20,869.26 and 10,211.37 is: 15,302.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.51 : 20,869.26 = 10,211.37 : x
  2. Step 2: Convert to fraction form
    13,926.51/20,869.26 = 10,211.37/x
  3. Step 3: Cross multiply
    13,926.51x = 20,869.26 × 10,211.37
  4. Step 4: Simplify right side
    13,926.51x = 213,103,735.49
  5. Step 5: Solve for x
    x = 213,103,735.49/13,926.51
  6. Step 6: Final answer
    x = 15,302.02

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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.