Home / 15,945.54-23,884.13-12,969.86

Finding the Fourth Proportional to 15,945.54, 23,884.13 and 12,969.86

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Solution

The fourth proportional to 15,945.54, 23,884.13 and 12,969.86 is: 19,426.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,945.54 : 23,884.13 = 12,969.86 : x
  2. Step 2: Convert to fraction form
    15,945.54/23,884.13 = 12,969.86/x
  3. Step 3: Cross multiply
    15,945.54x = 23,884.13 × 12,969.86
  4. Step 4: Simplify right side
    15,945.54x = 309,773,735.33
  5. Step 5: Solve for x
    x = 309,773,735.33/15,945.54
  6. Step 6: Final answer
    x = 19,426.99

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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.