Home / 9,665.12-14,497.82-2,739.62

Finding the Fourth Proportional to 9,665.12, 14,497.82 and 2,739.62

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Solution

The fourth proportional to 9,665.12, 14,497.82 and 2,739.62 is: 4,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,665.12 : 14,497.82 = 2,739.62 : x
  2. Step 2: Convert to fraction form
    9,665.12/14,497.82 = 2,739.62/x
  3. Step 3: Cross multiply
    9,665.12x = 14,497.82 × 2,739.62
  4. Step 4: Simplify right side
    9,665.12x = 39,718,550.45
  5. Step 5: Solve for x
    x = 39,718,550.45/9,665.12
  6. Step 6: Final answer
    x = 4,109.47

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1.5x scale

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.