Home / 13,296.39-19,944.60-4,977.28

Finding the Fourth Proportional to 13,296.39, 19,944.60 and 4,977.28

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Solution

The fourth proportional to 13,296.39, 19,944.60 and 4,977.28 is: 7,465.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.39 : 19,944.60 = 4,977.28 : x
  2. Step 2: Convert to fraction form
    13,296.39/19,944.60 = 4,977.28/x
  3. Step 3: Cross multiply
    13,296.39x = 19,944.60 × 4,977.28
  4. Step 4: Simplify right side
    13,296.39x = 99,269,858.69
  5. Step 5: Solve for x
    x = 99,269,858.69/13,296.39
  6. Step 6: Final answer
    x = 7,465.93

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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.