Home / 13,537.73-20,289.29-11,775.38

Finding the Fourth Proportional to 13,537.73, 20,289.29 and 11,775.38

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Solution

The fourth proportional to 13,537.73, 20,289.29 and 11,775.38 is: 17,648.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,537.73 : 20,289.29 = 11,775.38 : x
  2. Step 2: Convert to fraction form
    13,537.73/20,289.29 = 11,775.38/x
  3. Step 3: Cross multiply
    13,537.73x = 20,289.29 × 11,775.38
  4. Step 4: Simplify right side
    13,537.73x = 238,913,939.36
  5. Step 5: Solve for x
    x = 238,913,939.36/13,537.73
  6. Step 6: Final answer
    x = 17,648.00

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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.