Home / 10,290.54-15,435.69-2,499.36

Finding the Fourth Proportional to 10,290.54, 15,435.69 and 2,499.36

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Solution

The fourth proportional to 10,290.54, 15,435.69 and 2,499.36 is: 3,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.54 : 15,435.69 = 2,499.36 : x
  2. Step 2: Convert to fraction form
    10,290.54/15,435.69 = 2,499.36/x
  3. Step 3: Cross multiply
    10,290.54x = 15,435.69 × 2,499.36
  4. Step 4: Simplify right side
    10,290.54x = 38,579,346.16
  5. Step 5: Solve for x
    x = 38,579,346.16/10,290.54
  6. Step 6: Final answer
    x = 3,749.01

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