Home / 13,134.06-19,701.09-7,928.94

Finding the Fourth Proportional to 13,134.06, 19,701.09 and 7,928.94

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Solution

The fourth proportional to 13,134.06, 19,701.09 and 7,928.94 is: 11,893.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.06 : 19,701.09 = 7,928.94 : x
  2. Step 2: Convert to fraction form
    13,134.06/19,701.09 = 7,928.94/x
  3. Step 3: Cross multiply
    13,134.06x = 19,701.09 × 7,928.94
  4. Step 4: Simplify right side
    13,134.06x = 156,208,760.54
  5. Step 5: Solve for x
    x = 156,208,760.54/13,134.06
  6. Step 6: Final answer
    x = 11,893.41

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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.