Home / 10,661.28-14,712.41-6,185.79

Finding the Fourth Proportional to 10,661.28, 14,712.41 and 6,185.79

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Solution

The fourth proportional to 10,661.28, 14,712.41 and 6,185.79 is: 8,536.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,661.28 : 14,712.41 = 6,185.79 : x
  2. Step 2: Convert to fraction form
    10,661.28/14,712.41 = 6,185.79/x
  3. Step 3: Cross multiply
    10,661.28x = 14,712.41 × 6,185.79
  4. Step 4: Simplify right side
    10,661.28x = 91,007,878.65
  5. Step 5: Solve for x
    x = 91,007,878.65/10,661.28
  6. Step 6: Final answer
    x = 8,536.30

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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.