Home / 11,820.33-17,730.55-3,500.50

Finding the Fourth Proportional to 11,820.33, 17,730.55 and 3,500.50

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Solution

The fourth proportional to 11,820.33, 17,730.55 and 3,500.50 is: 5,250.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,820.33 : 17,730.55 = 3,500.50 : x
  2. Step 2: Convert to fraction form
    11,820.33/17,730.55 = 3,500.50/x
  3. Step 3: Cross multiply
    11,820.33x = 17,730.55 × 3,500.50
  4. Step 4: Simplify right side
    11,820.33x = 62,065,790.28
  5. Step 5: Solve for x
    x = 62,065,790.28/11,820.33
  6. Step 6: Final answer
    x = 5,250.77

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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.