Home / 13,975.71-20,964.98-4,615.75

Finding the Fourth Proportional to 13,975.71, 20,964.98 and 4,615.75

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Solution

The fourth proportional to 13,975.71, 20,964.98 and 4,615.75 is: 6,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.71 : 20,964.98 = 4,615.75 : x
  2. Step 2: Convert to fraction form
    13,975.71/20,964.98 = 4,615.75/x
  3. Step 3: Cross multiply
    13,975.71x = 20,964.98 × 4,615.75
  4. Step 4: Simplify right side
    13,975.71x = 96,769,083.36
  5. Step 5: Solve for x
    x = 96,769,083.36/13,975.71
  6. Step 6: Final answer
    x = 6,924.09

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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.