Home / 12,729.07-19,093.61-3,495.07

Finding the Fourth Proportional to 12,729.07, 19,093.61 and 3,495.07

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Solution

The fourth proportional to 12,729.07, 19,093.61 and 3,495.07 is: 5,242.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,729.07 : 19,093.61 = 3,495.07 : x
  2. Step 2: Convert to fraction form
    12,729.07/19,093.61 = 3,495.07/x
  3. Step 3: Cross multiply
    12,729.07x = 19,093.61 × 3,495.07
  4. Step 4: Simplify right side
    12,729.07x = 66,733,503.50
  5. Step 5: Solve for x
    x = 66,733,503.50/12,729.07
  6. Step 6: Final answer
    x = 5,242.61

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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.