Home / 11,729.06-17,588.86-4,230.49

Finding the Fourth Proportional to 11,729.06, 17,588.86 and 4,230.49

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Solution

The fourth proportional to 11,729.06, 17,588.86 and 4,230.49 is: 6,344.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,729.06 : 17,588.86 = 4,230.49 : x
  2. Step 2: Convert to fraction form
    11,729.06/17,588.86 = 4,230.49/x
  3. Step 3: Cross multiply
    11,729.06x = 17,588.86 × 4,230.49
  4. Step 4: Simplify right side
    11,729.06x = 74,409,496.34
  5. Step 5: Solve for x
    x = 74,409,496.34/11,729.06
  6. Step 6: Final answer
    x = 6,344.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.