Home / 13,972.80-19,291.68-8,675.52

Finding the Fourth Proportional to 13,972.80, 19,291.68 and 8,675.52

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Solution

The fourth proportional to 13,972.80, 19,291.68 and 8,675.52 is: 11,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.80 : 19,291.68 = 8,675.52 : x
  2. Step 2: Convert to fraction form
    13,972.80/19,291.68 = 8,675.52/x
  3. Step 3: Cross multiply
    13,972.80x = 19,291.68 × 8,675.52
  4. Step 4: Simplify right side
    13,972.80x = 167,365,355.67
  5. Step 5: Solve for x
    x = 167,365,355.67/13,972.80
  6. Step 6: Final answer
    x = 11,977.94

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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.