Home / 12,845.01-17,726.46-7,179.60

Finding the Fourth Proportional to 12,845.01, 17,726.46 and 7,179.60

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Solution

The fourth proportional to 12,845.01, 17,726.46 and 7,179.60 is: 9,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.01 : 17,726.46 = 7,179.60 : x
  2. Step 2: Convert to fraction form
    12,845.01/17,726.46 = 7,179.60/x
  3. Step 3: Cross multiply
    12,845.01x = 17,726.46 × 7,179.60
  4. Step 4: Simplify right side
    12,845.01x = 127,268,892.22
  5. Step 5: Solve for x
    x = 127,268,892.22/12,845.01
  6. Step 6: Final answer
    x = 9,908.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.