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Finding the Fourth Proportional to 12,692, 19,025.04 and 5,300.48

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Solution

The fourth proportional to 12,692, 19,025.04 and 5,300.48 is: 7,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,692 : 19,025.04 = 5,300.48 : x
  2. Step 2: Convert to fraction form
    12,692/19,025.04 = 5,300.48/x
  3. Step 3: Cross multiply
    12,692x = 19,025.04 × 5,300.48
  4. Step 4: Simplify right side
    12,692x = 100,841,844.02
  5. Step 5: Solve for x
    x = 100,841,844.02/12,692
  6. Step 6: Final answer
    x = 7,945.31

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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.