Home / 13,176.58-19,758.66-4,409.14

Finding the Fourth Proportional to 13,176.58, 19,758.66 and 4,409.14

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Solution

The fourth proportional to 13,176.58, 19,758.66 and 4,409.14 is: 6,611.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,176.58 : 19,758.66 = 4,409.14 : x
  2. Step 2: Convert to fraction form
    13,176.58/19,758.66 = 4,409.14/x
  3. Step 3: Cross multiply
    13,176.58x = 19,758.66 × 4,409.14
  4. Step 4: Simplify right side
    13,176.58x = 87,118,698.15
  5. Step 5: Solve for x
    x = 87,118,698.15/13,176.58
  6. Step 6: Final answer
    x = 6,611.63

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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.