Home / 13,376.56-20,066.09-3,515.84

Finding the Fourth Proportional to 13,376.56, 20,066.09 and 3,515.84

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Solution

The fourth proportional to 13,376.56, 20,066.09 and 3,515.84 is: 5,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,376.56 : 20,066.09 = 3,515.84 : x
  2. Step 2: Convert to fraction form
    13,376.56/20,066.09 = 3,515.84/x
  3. Step 3: Cross multiply
    13,376.56x = 20,066.09 × 3,515.84
  4. Step 4: Simplify right side
    13,376.56x = 70,549,161.87
  5. Step 5: Solve for x
    x = 70,549,161.87/13,376.56
  6. Step 6: Final answer
    x = 5,274.09

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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.