Home / 10,804.19-16,181.98-8,035.61

Finding the Fourth Proportional to 10,804.19, 16,181.98 and 8,035.61

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Solution

The fourth proportional to 10,804.19, 16,181.98 and 8,035.61 is: 12,035.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,804.19 : 16,181.98 = 8,035.61 : x
  2. Step 2: Convert to fraction form
    10,804.19/16,181.98 = 8,035.61/x
  3. Step 3: Cross multiply
    10,804.19x = 16,181.98 × 8,035.61
  4. Step 4: Simplify right side
    10,804.19x = 130,031,979.31
  5. Step 5: Solve for x
    x = 130,031,979.31/10,804.19
  6. Step 6: Final answer
    x = 12,035.33

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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.