Home / 14,379.52-19,851.36-9,003.84

Finding the Fourth Proportional to 14,379.52, 19,851.36 and 9,003.84

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Solution

The fourth proportional to 14,379.52, 19,851.36 and 9,003.84 is: 12,430.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,379.52 : 19,851.36 = 9,003.84 : x
  2. Step 2: Convert to fraction form
    14,379.52/19,851.36 = 9,003.84/x
  3. Step 3: Cross multiply
    14,379.52x = 19,851.36 × 9,003.84
  4. Step 4: Simplify right side
    14,379.52x = 178,738,469.22
  5. Step 5: Solve for x
    x = 178,738,469.22/14,379.52
  6. Step 6: Final answer
    x = 12,430.07

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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.