Home / 14,376.60-21,564.90-3,988.36

Finding the Fourth Proportional to 14,376.60, 21,564.90 and 3,988.36

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Solution

The fourth proportional to 14,376.60, 21,564.90 and 3,988.36 is: 5,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,376.60 : 21,564.90 = 3,988.36 : x
  2. Step 2: Convert to fraction form
    14,376.60/21,564.90 = 3,988.36/x
  3. Step 3: Cross multiply
    14,376.60x = 21,564.90 × 3,988.36
  4. Step 4: Simplify right side
    14,376.60x = 86,008,584.56
  5. Step 5: Solve for x
    x = 86,008,584.56/14,376.60
  6. Step 6: Final answer
    x = 5,982.54

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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.