Home / 13,989.06-20,998.17-6,203.34

Finding the Fourth Proportional to 13,989.06, 20,998.17 and 6,203.34

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Solution

The fourth proportional to 13,989.06, 20,998.17 and 6,203.34 is: 9,311.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.06 : 20,998.17 = 6,203.34 : x
  2. Step 2: Convert to fraction form
    13,989.06/20,998.17 = 6,203.34/x
  3. Step 3: Cross multiply
    13,989.06x = 20,998.17 × 6,203.34
  4. Step 4: Simplify right side
    13,989.06x = 130,258,787.89
  5. Step 5: Solve for x
    x = 130,258,787.89/13,989.06
  6. Step 6: Final answer
    x = 9,311.48

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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.