Home / 14,163.56-21,245.79-4,302.93

Finding the Fourth Proportional to 14,163.56, 21,245.79 and 4,302.93

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Solution

The fourth proportional to 14,163.56, 21,245.79 and 4,302.93 is: 6,454.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.56 : 21,245.79 = 4,302.93 : x
  2. Step 2: Convert to fraction form
    14,163.56/21,245.79 = 4,302.93/x
  3. Step 3: Cross multiply
    14,163.56x = 21,245.79 × 4,302.93
  4. Step 4: Simplify right side
    14,163.56x = 91,419,083.63
  5. Step 5: Solve for x
    x = 91,419,083.63/14,163.56
  6. Step 6: Final answer
    x = 6,454.53

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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.