Home / 12,034.36-16,607.64-6,729.76

Finding the Fourth Proportional to 12,034.36, 16,607.64 and 6,729.76

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Solution

The fourth proportional to 12,034.36, 16,607.64 and 6,729.76 is: 9,287.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.36 : 16,607.64 = 6,729.76 : x
  2. Step 2: Convert to fraction form
    12,034.36/16,607.64 = 6,729.76/x
  3. Step 3: Cross multiply
    12,034.36x = 16,607.64 × 6,729.76
  4. Step 4: Simplify right side
    12,034.36x = 111,765,431.37
  5. Step 5: Solve for x
    x = 111,765,431.37/12,034.36
  6. Step 6: Final answer
    x = 9,287.19

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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.