Home / 13,968.96-20,956.72-6,180

Finding the Fourth Proportional to 13,968.96, 20,956.72 and 6,180

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Solution

The fourth proportional to 13,968.96, 20,956.72 and 6,180 is: 9,271.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.96 : 20,956.72 = 6,180 : x
  2. Step 2: Convert to fraction form
    13,968.96/20,956.72 = 6,180/x
  3. Step 3: Cross multiply
    13,968.96x = 20,956.72 × 6,180
  4. Step 4: Simplify right side
    13,968.96x = 129,512,529.60
  5. Step 5: Solve for x
    x = 129,512,529.60/13,968.96
  6. Step 6: Final answer
    x = 9,271.45

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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.