Home / 13,450.38-20,296.91-12,962.22

Finding the Fourth Proportional to 13,450.38, 20,296.91 and 12,962.22

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Solution

The fourth proportional to 13,450.38, 20,296.91 and 12,962.22 is: 19,560.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.38 : 20,296.91 = 12,962.22 : x
  2. Step 2: Convert to fraction form
    13,450.38/20,296.91 = 12,962.22/x
  3. Step 3: Cross multiply
    13,450.38x = 20,296.91 × 12,962.22
  4. Step 4: Simplify right side
    13,450.38x = 263,092,947.93
  5. Step 5: Solve for x
    x = 263,092,947.93/13,450.38
  6. Step 6: Final answer
    x = 19,560.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.