Home / 14,163.60-21,254.58-13,081.44

Finding the Fourth Proportional to 14,163.60, 21,254.58 and 13,081.44

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Solution

The fourth proportional to 14,163.60, 21,254.58 and 13,081.44 is: 19,630.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.60 : 21,254.58 = 13,081.44 : x
  2. Step 2: Convert to fraction form
    14,163.60/21,254.58 = 13,081.44/x
  3. Step 3: Cross multiply
    14,163.60x = 21,254.58 × 13,081.44
  4. Step 4: Simplify right side
    14,163.60x = 278,040,513.00
  5. Step 5: Solve for x
    x = 278,040,513.00/14,163.60
  6. Step 6: Final answer
    x = 19,630.64

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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.