Home / 15,481.23-21,367.49-10,176.54

Finding the Fourth Proportional to 15,481.23, 21,367.49 and 10,176.54

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Solution

The fourth proportional to 15,481.23, 21,367.49 and 10,176.54 is: 14,045.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,481.23 : 21,367.49 = 10,176.54 : x
  2. Step 2: Convert to fraction form
    15,481.23/21,367.49 = 10,176.54/x
  3. Step 3: Cross multiply
    15,481.23x = 21,367.49 × 10,176.54
  4. Step 4: Simplify right side
    15,481.23x = 217,447,116.68
  5. Step 5: Solve for x
    x = 217,447,116.68/15,481.23
  6. Step 6: Final answer
    x = 14,045.86

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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.