Home / 13,999.10-20,997.90-5,233.34

Finding the Fourth Proportional to 13,999.10, 20,997.90 and 5,233.34

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Solution

The fourth proportional to 13,999.10, 20,997.90 and 5,233.34 is: 7,849.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.10 : 20,997.90 = 5,233.34 : x
  2. Step 2: Convert to fraction form
    13,999.10/20,997.90 = 5,233.34/x
  3. Step 3: Cross multiply
    13,999.10x = 20,997.90 × 5,233.34
  4. Step 4: Simplify right side
    13,999.10x = 109,889,202.48
  5. Step 5: Solve for x
    x = 109,889,202.48/13,999.10
  6. Step 6: Final answer
    x = 7,849.74

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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.