Home / 15,408.96-21,265.44-11,625.48

Finding the Fourth Proportional to 15,408.96, 21,265.44 and 11,625.48

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Solution

The fourth proportional to 15,408.96, 21,265.44 and 11,625.48 is: 16,043.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.96 : 21,265.44 = 11,625.48 : x
  2. Step 2: Convert to fraction form
    15,408.96/21,265.44 = 11,625.48/x
  3. Step 3: Cross multiply
    15,408.96x = 21,265.44 × 11,625.48
  4. Step 4: Simplify right side
    15,408.96x = 247,220,947.41
  5. Step 5: Solve for x
    x = 247,220,947.41/15,408.96
  6. Step 6: Final answer
    x = 16,043.97

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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.