Home / 15,555.44-23,321.16-5,161.52

Finding the Fourth Proportional to 15,555.44, 23,321.16 and 5,161.52

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Solution

The fourth proportional to 15,555.44, 23,321.16 and 5,161.52 is: 7,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,555.44 : 23,321.16 = 5,161.52 : x
  2. Step 2: Convert to fraction form
    15,555.44/23,321.16 = 5,161.52/x
  3. Step 3: Cross multiply
    15,555.44x = 23,321.16 × 5,161.52
  4. Step 4: Simplify right side
    15,555.44x = 120,372,633.76
  5. Step 5: Solve for x
    x = 120,372,633.76/15,555.44
  6. Step 6: Final answer
    x = 7,738.30

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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.