Home / 14,505.08-21,693.87-12,629.12

Finding the Fourth Proportional to 14,505.08, 21,693.87 and 12,629.12

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Solution

The fourth proportional to 14,505.08, 21,693.87 and 12,629.12 is: 18,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.08 : 21,693.87 = 12,629.12 : x
  2. Step 2: Convert to fraction form
    14,505.08/21,693.87 = 12,629.12/x
  3. Step 3: Cross multiply
    14,505.08x = 21,693.87 × 12,629.12
  4. Step 4: Simplify right side
    14,505.08x = 273,974,379.03
  5. Step 5: Solve for x
    x = 273,974,379.03/14,505.08
  6. Step 6: Final answer
    x = 18,888.17

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Why These Related Problems?

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