Home / 18,289.27-25,241.05-13,188.98

Finding the Fourth Proportional to 18,289.27, 25,241.05 and 13,188.98

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Solution

The fourth proportional to 18,289.27, 25,241.05 and 13,188.98 is: 18,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,289.27 : 25,241.05 = 13,188.98 : x
  2. Step 2: Convert to fraction form
    18,289.27/25,241.05 = 13,188.98/x
  3. Step 3: Cross multiply
    18,289.27x = 25,241.05 × 13,188.98
  4. Step 4: Simplify right side
    18,289.27x = 332,903,783.22
  5. Step 5: Solve for x
    x = 332,903,783.22/18,289.27
  6. Step 6: Final answer
    x = 18,202.13

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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.