Home / 13,450.63-18,560.06-7,481.54

Finding the Fourth Proportional to 13,450.63, 18,560.06 and 7,481.54

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Solution

The fourth proportional to 13,450.63, 18,560.06 and 7,481.54 is: 10,323.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,450.63 : 18,560.06 = 7,481.54 : x
  2. Step 2: Convert to fraction form
    13,450.63/18,560.06 = 7,481.54/x
  3. Step 3: Cross multiply
    13,450.63x = 18,560.06 × 7,481.54
  4. Step 4: Simplify right side
    13,450.63x = 138,857,831.29
  5. Step 5: Solve for x
    x = 138,857,831.29/13,450.63
  6. Step 6: Final answer
    x = 10,323.52

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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.