Home / 13,746.51-20,621.59-3,885.57

Finding the Fourth Proportional to 13,746.51, 20,621.59 and 3,885.57

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Solution

The fourth proportional to 13,746.51, 20,621.59 and 3,885.57 is: 5,828.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,746.51 : 20,621.59 = 3,885.57 : x
  2. Step 2: Convert to fraction form
    13,746.51/20,621.59 = 3,885.57/x
  3. Step 3: Cross multiply
    13,746.51x = 20,621.59 × 3,885.57
  4. Step 4: Simplify right side
    13,746.51x = 80,126,621.74
  5. Step 5: Solve for x
    x = 80,126,621.74/13,746.51
  6. Step 6: Final answer
    x = 5,828.87

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