Home / 11,369.55-15,576.35-10,943.42

Finding the Fourth Proportional to 11,369.55, 15,576.35 and 10,943.42

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Solution

The fourth proportional to 11,369.55, 15,576.35 and 10,943.42 is: 14,992.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,369.55 : 15,576.35 = 10,943.42 : x
  2. Step 2: Convert to fraction form
    11,369.55/15,576.35 = 10,943.42/x
  3. Step 3: Cross multiply
    11,369.55x = 15,576.35 × 10,943.42
  4. Step 4: Simplify right side
    11,369.55x = 170,458,540.12
  5. Step 5: Solve for x
    x = 170,458,540.12/11,369.55
  6. Step 6: Final answer
    x = 14,992.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.