Home / 13,226.94-19,840.77-3,868.02

Finding the Fourth Proportional to 13,226.94, 19,840.77 and 3,868.02

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Solution

The fourth proportional to 13,226.94, 19,840.77 and 3,868.02 is: 5,802.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,226.94 : 19,840.77 = 3,868.02 : x
  2. Step 2: Convert to fraction form
    13,226.94/19,840.77 = 3,868.02/x
  3. Step 3: Cross multiply
    13,226.94x = 19,840.77 × 3,868.02
  4. Step 4: Simplify right side
    13,226.94x = 76,744,495.18
  5. Step 5: Solve for x
    x = 76,744,495.18/13,226.94
  6. Step 6: Final answer
    x = 5,802.14

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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.