Home / 13,016.21-19,524.32-3,155.49

Finding the Fourth Proportional to 13,016.21, 19,524.32 and 3,155.49

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Solution

The fourth proportional to 13,016.21, 19,524.32 and 3,155.49 is: 4,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,016.21 : 19,524.32 = 3,155.49 : x
  2. Step 2: Convert to fraction form
    13,016.21/19,524.32 = 3,155.49/x
  3. Step 3: Cross multiply
    13,016.21x = 19,524.32 × 3,155.49
  4. Step 4: Simplify right side
    13,016.21x = 61,608,804.41
  5. Step 5: Solve for x
    x = 61,608,804.41/13,016.21
  6. Step 6: Final answer
    x = 4,733.24

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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.