Home / 13,368.37-20,072.27-7,456.81

Finding the Fourth Proportional to 13,368.37, 20,072.27 and 7,456.81

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Solution

The fourth proportional to 13,368.37, 20,072.27 and 7,456.81 is: 11,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.37 : 20,072.27 = 7,456.81 : x
  2. Step 2: Convert to fraction form
    13,368.37/20,072.27 = 7,456.81/x
  3. Step 3: Cross multiply
    13,368.37x = 20,072.27 × 7,456.81
  4. Step 4: Simplify right side
    13,368.37x = 149,675,083.23
  5. Step 5: Solve for x
    x = 149,675,083.23/13,368.37
  6. Step 6: Final answer
    x = 11,196.21

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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.