Home / 14,245.11-21,376.83-7,675.86

Finding the Fourth Proportional to 14,245.11, 21,376.83 and 7,675.86

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Solution

The fourth proportional to 14,245.11, 21,376.83 and 7,675.86 is: 11,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.11 : 21,376.83 = 7,675.86 : x
  2. Step 2: Convert to fraction form
    14,245.11/21,376.83 = 7,675.86/x
  3. Step 3: Cross multiply
    14,245.11x = 21,376.83 × 7,675.86
  4. Step 4: Simplify right side
    14,245.11x = 164,085,554.32
  5. Step 5: Solve for x
    x = 164,085,554.32/14,245.11
  6. Step 6: Final answer
    x = 11,518.73

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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.