Home / 13,238.73-19,840.41-6,997.26

Finding the Fourth Proportional to 13,238.73, 19,840.41 and 6,997.26

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Solution

The fourth proportional to 13,238.73, 19,840.41 and 6,997.26 is: 10,486.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,238.73 : 19,840.41 = 6,997.26 : x
  2. Step 2: Convert to fraction form
    13,238.73/19,840.41 = 6,997.26/x
  3. Step 3: Cross multiply
    13,238.73x = 19,840.41 × 6,997.26
  4. Step 4: Simplify right side
    13,238.73x = 138,828,507.28
  5. Step 5: Solve for x
    x = 138,828,507.28/13,238.73
  6. Step 6: Final answer
    x = 10,486.54

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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.