Home / 12,844.02-19,269-5,448.78

Finding the Fourth Proportional to 12,844.02, 19,269 and 5,448.78

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Solution

The fourth proportional to 12,844.02, 19,269 and 5,448.78 is: 8,174.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,844.02 : 19,269 = 5,448.78 : x
  2. Step 2: Convert to fraction form
    12,844.02/19,269 = 5,448.78/x
  3. Step 3: Cross multiply
    12,844.02x = 19,269 × 5,448.78
  4. Step 4: Simplify right side
    12,844.02x = 104,992,541.82
  5. Step 5: Solve for x
    x = 104,992,541.82/12,844.02
  6. Step 6: Final answer
    x = 8,174.43

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1.5x scale

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.