Home / 13,576.80-18,735.62-7,608.84

Finding the Fourth Proportional to 13,576.80, 18,735.62 and 7,608.84

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Solution

The fourth proportional to 13,576.80, 18,735.62 and 7,608.84 is: 10,500.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,576.80 : 18,735.62 = 7,608.84 : x
  2. Step 2: Convert to fraction form
    13,576.80/18,735.62 = 7,608.84/x
  3. Step 3: Cross multiply
    13,576.80x = 18,735.62 × 7,608.84
  4. Step 4: Simplify right side
    13,576.80x = 142,556,334.88
  5. Step 5: Solve for x
    x = 142,556,334.88/13,576.80
  6. Step 6: Final answer
    x = 10,500.00

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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.