Home / 13,988.06-20,996.68-6,202.34

Finding the Fourth Proportional to 13,988.06, 20,996.68 and 6,202.34

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Solution

The fourth proportional to 13,988.06, 20,996.68 and 6,202.34 is: 9,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,988.06 : 20,996.68 = 6,202.34 : x
  2. Step 2: Convert to fraction form
    13,988.06/20,996.68 = 6,202.34/x
  3. Step 3: Cross multiply
    13,988.06x = 20,996.68 × 6,202.34
  4. Step 4: Simplify right side
    13,988.06x = 130,228,548.23
  5. Step 5: Solve for x
    x = 130,228,548.23/13,988.06
  6. Step 6: Final answer
    x = 9,309.98

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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.