Home / 13,947.88-19,249.64-8,284

Finding the Fourth Proportional to 13,947.88, 19,249.64 and 8,284

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Solution

The fourth proportional to 13,947.88, 19,249.64 and 8,284 is: 11,432.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,947.88 : 19,249.64 = 8,284 : x
  2. Step 2: Convert to fraction form
    13,947.88/19,249.64 = 8,284/x
  3. Step 3: Cross multiply
    13,947.88x = 19,249.64 × 8,284
  4. Step 4: Simplify right side
    13,947.88x = 159,464,017.76
  5. Step 5: Solve for x
    x = 159,464,017.76/13,947.88
  6. Step 6: Final answer
    x = 11,432.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.