Home / 13,307.96-19,963.73-3,948.11

Finding the Fourth Proportional to 13,307.96, 19,963.73 and 3,948.11

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Solution

The fourth proportional to 13,307.96, 19,963.73 and 3,948.11 is: 5,922.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.96 : 19,963.73 = 3,948.11 : x
  2. Step 2: Convert to fraction form
    13,307.96/19,963.73 = 3,948.11/x
  3. Step 3: Cross multiply
    13,307.96x = 19,963.73 × 3,948.11
  4. Step 4: Simplify right side
    13,307.96x = 78,818,986.97
  5. Step 5: Solve for x
    x = 78,818,986.97/13,307.96
  6. Step 6: Final answer
    x = 5,922.69

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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.