Home / 13,618.04-20,428.98-4,850.36

Finding the Fourth Proportional to 13,618.04, 20,428.98 and 4,850.36

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Solution

The fourth proportional to 13,618.04, 20,428.98 and 4,850.36 is: 7,276.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,618.04 : 20,428.98 = 4,850.36 : x
  2. Step 2: Convert to fraction form
    13,618.04/20,428.98 = 4,850.36/x
  3. Step 3: Cross multiply
    13,618.04x = 20,428.98 × 4,850.36
  4. Step 4: Simplify right side
    13,618.04x = 99,087,907.43
  5. Step 5: Solve for x
    x = 99,087,907.43/13,618.04
  6. Step 6: Final answer
    x = 7,276.22

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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.