Home / 13,884.32-19,166.69-8,855.44

Finding the Fourth Proportional to 13,884.32, 19,166.69 and 8,855.44

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Solution

The fourth proportional to 13,884.32, 19,166.69 and 8,855.44 is: 12,224.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,884.32 : 19,166.69 = 8,855.44 : x
  2. Step 2: Convert to fraction form
    13,884.32/19,166.69 = 8,855.44/x
  3. Step 3: Cross multiply
    13,884.32x = 19,166.69 × 8,855.44
  4. Step 4: Simplify right side
    13,884.32x = 169,729,447.52
  5. Step 5: Solve for x
    x = 169,729,447.52/13,884.32
  6. Step 6: Final answer
    x = 12,224.54

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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.