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Finding the Fourth Proportional to 13,868.10, 20,802.43 and 4,508.10

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Solution

The fourth proportional to 13,868.10, 20,802.43 and 4,508.10 is: 6,762.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,868.10 : 20,802.43 = 4,508.10 : x
  2. Step 2: Convert to fraction form
    13,868.10/20,802.43 = 4,508.10/x
  3. Step 3: Cross multiply
    13,868.10x = 20,802.43 × 4,508.10
  4. Step 4: Simplify right side
    13,868.10x = 93,779,434.68
  5. Step 5: Solve for x
    x = 93,779,434.68/13,868.10
  6. Step 6: Final answer
    x = 6,762.24

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