Home / 9,665.30-14,497.94-2,739.80

Finding the Fourth Proportional to 9,665.30, 14,497.94 and 2,739.80

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Solution

The fourth proportional to 9,665.30, 14,497.94 and 2,739.80 is: 4,109.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.30 : 14,497.94 = 2,739.80 : x
  2. Step 2: Convert to fraction form
    9,665.30/14,497.94 = 2,739.80/x
  3. Step 3: Cross multiply
    9,665.30x = 14,497.94 × 2,739.80
  4. Step 4: Simplify right side
    9,665.30x = 39,721,499.11
  5. Step 5: Solve for x
    x = 39,721,499.11/9,665.30
  6. Step 6: Final answer
    x = 4,109.70

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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.