Home / 13,052.62-18,009.60-8,811.56

Finding the Fourth Proportional to 13,052.62, 18,009.60 and 8,811.56

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Solution

The fourth proportional to 13,052.62, 18,009.60 and 8,811.56 is: 12,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.62 : 18,009.60 = 8,811.56 : x
  2. Step 2: Convert to fraction form
    13,052.62/18,009.60 = 8,811.56/x
  3. Step 3: Cross multiply
    13,052.62x = 18,009.60 × 8,811.56
  4. Step 4: Simplify right side
    13,052.62x = 158,692,670.98
  5. Step 5: Solve for x
    x = 158,692,670.98/13,052.62
  6. Step 6: Final answer
    x = 12,157.92

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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.