Home / 13,072.90-19,598.41-9,112.54

Finding the Fourth Proportional to 13,072.90, 19,598.41 and 9,112.54

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Solution

The fourth proportional to 13,072.90, 19,598.41 and 9,112.54 is: 13,661.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.90 : 19,598.41 = 9,112.54 : x
  2. Step 2: Convert to fraction form
    13,072.90/19,598.41 = 9,112.54/x
  3. Step 3: Cross multiply
    13,072.90x = 19,598.41 × 9,112.54
  4. Step 4: Simplify right side
    13,072.90x = 178,591,295.06
  5. Step 5: Solve for x
    x = 178,591,295.06/13,072.90
  6. Step 6: Final answer
    x = 13,661.18

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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.