Home / 11,225.56-16,838.70-3,829.72

Finding the Fourth Proportional to 11,225.56, 16,838.70 and 3,829.72

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Solution

The fourth proportional to 11,225.56, 16,838.70 and 3,829.72 is: 5,744.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,225.56 : 16,838.70 = 3,829.72 : x
  2. Step 2: Convert to fraction form
    11,225.56/16,838.70 = 3,829.72/x
  3. Step 3: Cross multiply
    11,225.56x = 16,838.70 × 3,829.72
  4. Step 4: Simplify right side
    11,225.56x = 64,487,506.16
  5. Step 5: Solve for x
    x = 64,487,506.16/11,225.56
  6. Step 6: Final answer
    x = 5,744.70

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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.