Home / 13,855.53-19,120.35-7,567.95

Finding the Fourth Proportional to 13,855.53, 19,120.35 and 7,567.95

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Solution

The fourth proportional to 13,855.53, 19,120.35 and 7,567.95 is: 10,443.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.53 : 19,120.35 = 7,567.95 : x
  2. Step 2: Convert to fraction form
    13,855.53/19,120.35 = 7,567.95/x
  3. Step 3: Cross multiply
    13,855.53x = 19,120.35 × 7,567.95
  4. Step 4: Simplify right side
    13,855.53x = 144,701,852.78
  5. Step 5: Solve for x
    x = 144,701,852.78/13,855.53
  6. Step 6: Final answer
    x = 10,443.62

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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.