Home / 11,783.98-17,671.64-3,461.86

Finding the Fourth Proportional to 11,783.98, 17,671.64 and 3,461.86

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Solution

The fourth proportional to 11,783.98, 17,671.64 and 3,461.86 is: 5,191.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,783.98 : 17,671.64 = 3,461.86 : x
  2. Step 2: Convert to fraction form
    11,783.98/17,671.64 = 3,461.86/x
  3. Step 3: Cross multiply
    11,783.98x = 17,671.64 × 3,461.86
  4. Step 4: Simplify right side
    11,783.98x = 61,176,743.65
  5. Step 5: Solve for x
    x = 61,176,743.65/11,783.98
  6. Step 6: Final answer
    x = 5,191.52

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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.