Home / 13,245.85-19,866.57-4,361.29

Finding the Fourth Proportional to 13,245.85, 19,866.57 and 4,361.29

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Solution

The fourth proportional to 13,245.85, 19,866.57 and 4,361.29 is: 6,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,245.85 : 19,866.57 = 4,361.29 : x
  2. Step 2: Convert to fraction form
    13,245.85/19,866.57 = 4,361.29/x
  3. Step 3: Cross multiply
    13,245.85x = 19,866.57 × 4,361.29
  4. Step 4: Simplify right side
    13,245.85x = 86,643,873.08
  5. Step 5: Solve for x
    x = 86,643,873.08/13,245.85
  6. Step 6: Final answer
    x = 6,541.21

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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.