Home / 12,134.90-16,745.46-6,829.50

Finding the Fourth Proportional to 12,134.90, 16,745.46 and 6,829.50

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Solution

The fourth proportional to 12,134.90, 16,745.46 and 6,829.50 is: 9,424.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.90 : 16,745.46 = 6,829.50 : x
  2. Step 2: Convert to fraction form
    12,134.90/16,745.46 = 6,829.50/x
  3. Step 3: Cross multiply
    12,134.90x = 16,745.46 × 6,829.50
  4. Step 4: Simplify right side
    12,134.90x = 114,363,119.07
  5. Step 5: Solve for x
    x = 114,363,119.07/12,134.90
  6. Step 6: Final answer
    x = 9,424.31

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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.