Home / 13,989.44-19,311.48-10,003.64

Finding the Fourth Proportional to 13,989.44, 19,311.48 and 10,003.64

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Solution

The fourth proportional to 13,989.44, 19,311.48 and 10,003.64 is: 13,809.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,989.44 : 19,311.48 = 10,003.64 : x
  2. Step 2: Convert to fraction form
    13,989.44/19,311.48 = 10,003.64/x
  3. Step 3: Cross multiply
    13,989.44x = 19,311.48 × 10,003.64
  4. Step 4: Simplify right side
    13,989.44x = 193,185,093.79
  5. Step 5: Solve for x
    x = 193,185,093.79/13,989.44
  6. Step 6: Final answer
    x = 13,809.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.