Home / 13,765.37-18,996.26-7,798.14

Finding the Fourth Proportional to 13,765.37, 18,996.26 and 7,798.14

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Solution

The fourth proportional to 13,765.37, 18,996.26 and 7,798.14 is: 10,761.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765.37 : 18,996.26 = 7,798.14 : x
  2. Step 2: Convert to fraction form
    13,765.37/18,996.26 = 7,798.14/x
  3. Step 3: Cross multiply
    13,765.37x = 18,996.26 × 7,798.14
  4. Step 4: Simplify right side
    13,765.37x = 148,135,455.97
  5. Step 5: Solve for x
    x = 148,135,455.97/13,765.37
  6. Step 6: Final answer
    x = 10,761.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.