Home / 12,134.24-16,745.28-6,829.12

Finding the Fourth Proportional to 12,134.24, 16,745.28 and 6,829.12

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Solution

The fourth proportional to 12,134.24, 16,745.28 and 6,829.12 is: 9,424.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.24 : 16,745.28 = 6,829.12 : x
  2. Step 2: Convert to fraction form
    12,134.24/16,745.28 = 6,829.12/x
  3. Step 3: Cross multiply
    12,134.24x = 16,745.28 × 6,829.12
  4. Step 4: Simplify right side
    12,134.24x = 114,355,526.55
  5. Step 5: Solve for x
    x = 114,355,526.55/12,134.24
  6. Step 6: Final answer
    x = 9,424.20

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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.