Home / 10,895.58-16,345.44-7,767.84

Finding the Fourth Proportional to 10,895.58, 16,345.44 and 7,767.84

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Solution

The fourth proportional to 10,895.58, 16,345.44 and 7,767.84 is: 11,653.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.58 : 16,345.44 = 7,767.84 : x
  2. Step 2: Convert to fraction form
    10,895.58/16,345.44 = 7,767.84/x
  3. Step 3: Cross multiply
    10,895.58x = 16,345.44 × 7,767.84
  4. Step 4: Simplify right side
    10,895.58x = 126,968,762.65
  5. Step 5: Solve for x
    x = 126,968,762.65/10,895.58
  6. Step 6: Final answer
    x = 11,653.24

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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.