Home / 13,450.29-18,559.26-7,481.94

Finding the Fourth Proportional to 13,450.29, 18,559.26 and 7,481.94

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Solution

The fourth proportional to 13,450.29, 18,559.26 and 7,481.94 is: 10,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.29 : 18,559.26 = 7,481.94 : x
  2. Step 2: Convert to fraction form
    13,450.29/18,559.26 = 7,481.94/x
  3. Step 3: Cross multiply
    13,450.29x = 18,559.26 × 7,481.94
  4. Step 4: Simplify right side
    13,450.29x = 138,859,269.76
  5. Step 5: Solve for x
    x = 138,859,269.76/13,450.29
  6. Step 6: Final answer
    x = 10,323.89

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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.