Home / 13,518-20,280.24-4,284

Finding the Fourth Proportional to 13,518, 20,280.24 and 4,284

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Solution

The fourth proportional to 13,518, 20,280.24 and 4,284 is: 6,427.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,518 : 20,280.24 = 4,284 : x
  2. Step 2: Convert to fraction form
    13,518/20,280.24 = 4,284/x
  3. Step 3: Cross multiply
    13,518x = 20,280.24 × 4,284
  4. Step 4: Simplify right side
    13,518x = 86,880,548.16
  5. Step 5: Solve for x
    x = 86,880,548.16/13,518
  6. Step 6: Final answer
    x = 6,427.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.