Home / 14,504.24-20,019.48-8,912

Finding the Fourth Proportional to 14,504.24, 20,019.48 and 8,912

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Solution

The fourth proportional to 14,504.24, 20,019.48 and 8,912 is: 12,300.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.24 : 20,019.48 = 8,912 : x
  2. Step 2: Convert to fraction form
    14,504.24/20,019.48 = 8,912/x
  3. Step 3: Cross multiply
    14,504.24x = 20,019.48 × 8,912
  4. Step 4: Simplify right side
    14,504.24x = 178,413,605.76
  5. Step 5: Solve for x
    x = 178,413,605.76/14,504.24
  6. Step 6: Final answer
    x = 12,300.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.