Home / 12,132.92-16,740.64-6,825.80

Finding the Fourth Proportional to 12,132.92, 16,740.64 and 6,825.80

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Solution

The fourth proportional to 12,132.92, 16,740.64 and 6,825.80 is: 9,418.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132.92 : 16,740.64 = 6,825.80 : x
  2. Step 2: Convert to fraction form
    12,132.92/16,740.64 = 6,825.80/x
  3. Step 3: Cross multiply
    12,132.92x = 16,740.64 × 6,825.80
  4. Step 4: Simplify right side
    12,132.92x = 114,268,260.51
  5. Step 5: Solve for x
    x = 114,268,260.51/12,132.92
  6. Step 6: Final answer
    x = 9,418.03

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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.