Home / 11,406.91-17,140.74-6,145.96

Finding the Fourth Proportional to 11,406.91, 17,140.74 and 6,145.96

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Solution

The fourth proportional to 11,406.91, 17,140.74 and 6,145.96 is: 9,235.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.91 : 17,140.74 = 6,145.96 : x
  2. Step 2: Convert to fraction form
    11,406.91/17,140.74 = 6,145.96/x
  3. Step 3: Cross multiply
    11,406.91x = 17,140.74 × 6,145.96
  4. Step 4: Simplify right side
    11,406.91x = 105,346,302.41
  5. Step 5: Solve for x
    x = 105,346,302.41/11,406.91
  6. Step 6: Final answer
    x = 9,235.31

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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.