Home / 10,185.13-15,268.38-4,345.84

Finding the Fourth Proportional to 10,185.13, 15,268.38 and 4,345.84

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Solution

The fourth proportional to 10,185.13, 15,268.38 and 4,345.84 is: 6,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.13 : 15,268.38 = 4,345.84 : x
  2. Step 2: Convert to fraction form
    10,185.13/15,268.38 = 4,345.84/x
  3. Step 3: Cross multiply
    10,185.13x = 15,268.38 × 4,345.84
  4. Step 4: Simplify right side
    10,185.13x = 66,353,936.54
  5. Step 5: Solve for x
    x = 66,353,936.54/10,185.13
  6. Step 6: Final answer
    x = 6,514.79

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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.