Home / 19,845.06-27,388.74-11,459.94

Finding the Fourth Proportional to 19,845.06, 27,388.74 and 11,459.94

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Solution

The fourth proportional to 19,845.06, 27,388.74 and 11,459.94 is: 15,816.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,845.06 : 27,388.74 = 11,459.94 : x
  2. Step 2: Convert to fraction form
    19,845.06/27,388.74 = 11,459.94/x
  3. Step 3: Cross multiply
    19,845.06x = 27,388.74 × 11,459.94
  4. Step 4: Simplify right side
    19,845.06x = 313,873,317.08
  5. Step 5: Solve for x
    x = 313,873,317.08/19,845.06
  6. Step 6: Final answer
    x = 15,816.19

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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.