Home / 13,982.07-20,975.27-5,098.15

Finding the Fourth Proportional to 13,982.07, 20,975.27 and 5,098.15

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Solution

The fourth proportional to 13,982.07, 20,975.27 and 5,098.15 is: 7,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.07 : 20,975.27 = 5,098.15 : x
  2. Step 2: Convert to fraction form
    13,982.07/20,975.27 = 5,098.15/x
  3. Step 3: Cross multiply
    13,982.07x = 20,975.27 × 5,098.15
  4. Step 4: Simplify right side
    13,982.07x = 106,935,072.75
  5. Step 5: Solve for x
    x = 106,935,072.75/13,982.07
  6. Step 6: Final answer
    x = 7,648.01

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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.