Home / 13,982.06-20,987.68-6,196.34

Finding the Fourth Proportional to 13,982.06, 20,987.68 and 6,196.34

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Solution

The fourth proportional to 13,982.06, 20,987.68 and 6,196.34 is: 9,300.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.06 : 20,987.68 = 6,196.34 : x
  2. Step 2: Convert to fraction form
    13,982.06/20,987.68 = 6,196.34/x
  3. Step 3: Cross multiply
    13,982.06x = 20,987.68 × 6,196.34
  4. Step 4: Simplify right side
    13,982.06x = 130,046,801.09
  5. Step 5: Solve for x
    x = 130,046,801.09/13,982.06
  6. Step 6: Final answer
    x = 9,300.98

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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.