Home / 10,222.78-14,103.44-5,745.51

Finding the Fourth Proportional to 10,222.78, 14,103.44 and 5,745.51

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Solution

The fourth proportional to 10,222.78, 14,103.44 and 5,745.51 is: 7,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.78 : 14,103.44 = 5,745.51 : x
  2. Step 2: Convert to fraction form
    10,222.78/14,103.44 = 5,745.51/x
  3. Step 3: Cross multiply
    10,222.78x = 14,103.44 × 5,745.51
  4. Step 4: Simplify right side
    10,222.78x = 81,031,455.55
  5. Step 5: Solve for x
    x = 81,031,455.55/10,222.78
  6. Step 6: Final answer
    x = 7,926.56

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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.