Home / 12,009.09-16,574.21-6,704.25

Finding the Fourth Proportional to 12,009.09, 16,574.21 and 6,704.25

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Solution

The fourth proportional to 12,009.09, 16,574.21 and 6,704.25 is: 9,252.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,009.09 : 16,574.21 = 6,704.25 : x
  2. Step 2: Convert to fraction form
    12,009.09/16,574.21 = 6,704.25/x
  3. Step 3: Cross multiply
    12,009.09x = 16,574.21 × 6,704.25
  4. Step 4: Simplify right side
    12,009.09x = 111,117,647.39
  5. Step 5: Solve for x
    x = 111,117,647.39/12,009.09
  6. Step 6: Final answer
    x = 9,252.79

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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.