Home / 14,485.05-21,729.56-4,490.60

Finding the Fourth Proportional to 14,485.05, 21,729.56 and 4,490.60

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Solution

The fourth proportional to 14,485.05, 21,729.56 and 4,490.60 is: 6,736.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,485.05 : 21,729.56 = 4,490.60 : x
  2. Step 2: Convert to fraction form
    14,485.05/21,729.56 = 4,490.60/x
  3. Step 3: Cross multiply
    14,485.05x = 21,729.56 × 4,490.60
  4. Step 4: Simplify right side
    14,485.05x = 97,578,631.04
  5. Step 5: Solve for x
    x = 97,578,631.04/14,485.05
  6. Step 6: Final answer
    x = 6,736.51

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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.