Home / 11,293.44-16,931.94-4,721.49

Finding the Fourth Proportional to 11,293.44, 16,931.94 and 4,721.49

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Solution

The fourth proportional to 11,293.44, 16,931.94 and 4,721.49 is: 7,078.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.44 : 16,931.94 = 4,721.49 : x
  2. Step 2: Convert to fraction form
    11,293.44/16,931.94 = 4,721.49/x
  3. Step 3: Cross multiply
    11,293.44x = 16,931.94 × 4,721.49
  4. Step 4: Simplify right side
    11,293.44x = 79,943,985.39
  5. Step 5: Solve for x
    x = 79,943,985.39/11,293.44
  6. Step 6: Final answer
    x = 7,078.80

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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.