Home / 12,078.94-16,663.26-8,544.10

Finding the Fourth Proportional to 12,078.94, 16,663.26 and 8,544.10

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Solution

The fourth proportional to 12,078.94, 16,663.26 and 8,544.10 is: 11,786.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,078.94 : 16,663.26 = 8,544.10 : x
  2. Step 2: Convert to fraction form
    12,078.94/16,663.26 = 8,544.10/x
  3. Step 3: Cross multiply
    12,078.94x = 16,663.26 × 8,544.10
  4. Step 4: Simplify right side
    12,078.94x = 142,372,518.11
  5. Step 5: Solve for x
    x = 142,372,518.11/12,078.94
  6. Step 6: Final answer
    x = 11,786.84

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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.