Home / 19,208.41-28,787.64-9,840.49

Finding the Fourth Proportional to 19,208.41, 28,787.64 and 9,840.49

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Solution

The fourth proportional to 19,208.41, 28,787.64 and 9,840.49 is: 14,747.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.41 : 28,787.64 = 9,840.49 : x
  2. Step 2: Convert to fraction form
    19,208.41/28,787.64 = 9,840.49/x
  3. Step 3: Cross multiply
    19,208.41x = 28,787.64 × 9,840.49
  4. Step 4: Simplify right side
    19,208.41x = 283,284,483.54
  5. Step 5: Solve for x
    x = 283,284,483.54/19,208.41
  6. Step 6: Final answer
    x = 14,747.94

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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.