Home / 11,210.63-16,815.75-3,419.43

Finding the Fourth Proportional to 11,210.63, 16,815.75 and 3,419.43

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Solution

The fourth proportional to 11,210.63, 16,815.75 and 3,419.43 is: 5,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.63 : 16,815.75 = 3,419.43 : x
  2. Step 2: Convert to fraction form
    11,210.63/16,815.75 = 3,419.43/x
  3. Step 3: Cross multiply
    11,210.63x = 16,815.75 × 3,419.43
  4. Step 4: Simplify right side
    11,210.63x = 57,500,280.02
  5. Step 5: Solve for x
    x = 57,500,280.02/11,210.63
  6. Step 6: Final answer
    x = 5,129.09

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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.