Home / 9,992.13-14,975.88-3,410.61

Finding the Fourth Proportional to 9,992.13, 14,975.88 and 3,410.61

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Solution

The fourth proportional to 9,992.13, 14,975.88 and 3,410.61 is: 5,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992.13 : 14,975.88 = 3,410.61 : x
  2. Step 2: Convert to fraction form
    9,992.13/14,975.88 = 3,410.61/x
  3. Step 3: Cross multiply
    9,992.13x = 14,975.88 × 3,410.61
  4. Step 4: Simplify right side
    9,992.13x = 51,076,886.09
  5. Step 5: Solve for x
    x = 51,076,886.09/9,992.13
  6. Step 6: Final answer
    x = 5,111.71

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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.