Home / 11,223.65-16,833.85-3,430.37

Finding the Fourth Proportional to 11,223.65, 16,833.85 and 3,430.37

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Solution

The fourth proportional to 11,223.65, 16,833.85 and 3,430.37 is: 5,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,223.65 : 16,833.85 = 3,430.37 : x
  2. Step 2: Convert to fraction form
    11,223.65/16,833.85 = 3,430.37/x
  3. Step 3: Cross multiply
    11,223.65x = 16,833.85 × 3,430.37
  4. Step 4: Simplify right side
    11,223.65x = 57,746,241.28
  5. Step 5: Solve for x
    x = 57,746,241.28/11,223.65
  6. Step 6: Final answer
    x = 5,145.05

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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.