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Finding the Fourth Proportional to 13,999.64, 20,993.96 and 6,202.98

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Solution

The fourth proportional to 13,999.64, 20,993.96 and 6,202.98 is: 9,302.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,999.64 : 20,993.96 = 6,202.98 : x
  2. Step 2: Convert to fraction form
    13,999.64/20,993.96 = 6,202.98/x
  3. Step 3: Cross multiply
    13,999.64x = 20,993.96 × 6,202.98
  4. Step 4: Simplify right side
    13,999.64x = 130,225,129.51
  5. Step 5: Solve for x
    x = 130,225,129.51/13,999.64
  6. Step 6: Final answer
    x = 9,302.04

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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.