Home / 19,904.60-27,468.99-11,408.31

Finding the Fourth Proportional to 19,904.60, 27,468.99 and 11,408.31

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Solution

The fourth proportional to 19,904.60, 27,468.99 and 11,408.31 is: 15,743.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,904.60 : 27,468.99 = 11,408.31 : x
  2. Step 2: Convert to fraction form
    19,904.60/27,468.99 = 11,408.31/x
  3. Step 3: Cross multiply
    19,904.60x = 27,468.99 × 11,408.31
  4. Step 4: Simplify right side
    19,904.60x = 313,374,753.31
  5. Step 5: Solve for x
    x = 313,374,753.31/19,904.60
  6. Step 6: Final answer
    x = 15,743.84

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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.