Home / 11,210.45-16,815.63-3,419.24

Finding the Fourth Proportional to 11,210.45, 16,815.63 and 3,419.24

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Solution

The fourth proportional to 11,210.45, 16,815.63 and 3,419.24 is: 5,128.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.45 : 16,815.63 = 3,419.24 : x
  2. Step 2: Convert to fraction form
    11,210.45/16,815.63 = 3,419.24/x
  3. Step 3: Cross multiply
    11,210.45x = 16,815.63 × 3,419.24
  4. Step 4: Simplify right side
    11,210.45x = 57,496,674.72
  5. Step 5: Solve for x
    x = 57,496,674.72/11,210.45
  6. Step 6: Final answer
    x = 5,128.85

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.