Home / 13,972.48-19,281.01-7,922.85

Finding the Fourth Proportional to 13,972.48, 19,281.01 and 7,922.85

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Solution

The fourth proportional to 13,972.48, 19,281.01 and 7,922.85 is: 10,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.48 : 19,281.01 = 7,922.85 : x
  2. Step 2: Convert to fraction form
    13,972.48/19,281.01 = 7,922.85/x
  3. Step 3: Cross multiply
    13,972.48x = 19,281.01 × 7,922.85
  4. Step 4: Simplify right side
    13,972.48x = 152,760,433.87
  5. Step 5: Solve for x
    x = 152,760,433.87/13,972.48
  6. Step 6: Final answer
    x = 10,932.95

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.