Home / 13,244.40-19,866.54-4,485.36

Finding the Fourth Proportional to 13,244.40, 19,866.54 and 4,485.36

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Solution

The fourth proportional to 13,244.40, 19,866.54 and 4,485.36 is: 6,728.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,244.40 : 19,866.54 = 4,485.36 : x
  2. Step 2: Convert to fraction form
    13,244.40/19,866.54 = 4,485.36/x
  3. Step 3: Cross multiply
    13,244.40x = 19,866.54 × 4,485.36
  4. Step 4: Simplify right side
    13,244.40x = 89,108,583.85
  5. Step 5: Solve for x
    x = 89,108,583.85/13,244.40
  6. Step 6: Final answer
    x = 6,728.02

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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.