Home / 13,277.50-19,909.39-3,916.33

Finding the Fourth Proportional to 13,277.50, 19,909.39 and 3,916.33

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Solution

The fourth proportional to 13,277.50, 19,909.39 and 3,916.33 is: 5,872.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,277.50 : 19,909.39 = 3,916.33 : x
  2. Step 2: Convert to fraction form
    13,277.50/19,909.39 = 3,916.33/x
  3. Step 3: Cross multiply
    13,277.50x = 19,909.39 × 3,916.33
  4. Step 4: Simplify right side
    13,277.50x = 77,971,622.21
  5. Step 5: Solve for x
    x = 77,971,622.21/13,277.50
  6. Step 6: Final answer
    x = 5,872.46

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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.