Home / 12,135.48-16,745.04-6,829.26

Finding the Fourth Proportional to 12,135.48, 16,745.04 and 6,829.26

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Solution

The fourth proportional to 12,135.48, 16,745.04 and 6,829.26 is: 9,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,135.48 : 16,745.04 = 6,829.26 : x
  2. Step 2: Convert to fraction form
    12,135.48/16,745.04 = 6,829.26/x
  3. Step 3: Cross multiply
    12,135.48x = 16,745.04 × 6,829.26
  4. Step 4: Simplify right side
    12,135.48x = 114,356,231.87
  5. Step 5: Solve for x
    x = 114,356,231.87/12,135.48
  6. Step 6: Final answer
    x = 9,423.30

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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.