Home / 14,012.12-21,000.41-13,863.81

Finding the Fourth Proportional to 14,012.12, 21,000.41 and 13,863.81

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Solution

The fourth proportional to 14,012.12, 21,000.41 and 13,863.81 is: 20,778.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.12 : 21,000.41 = 13,863.81 : x
  2. Step 2: Convert to fraction form
    14,012.12/21,000.41 = 13,863.81/x
  3. Step 3: Cross multiply
    14,012.12x = 21,000.41 × 13,863.81
  4. Step 4: Simplify right side
    14,012.12x = 291,145,804.47
  5. Step 5: Solve for x
    x = 291,145,804.47/14,012.12
  6. Step 6: Final answer
    x = 20,778.14

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.