Home / 11,364.12-17,043.84-4,341.78

Finding the Fourth Proportional to 11,364.12, 17,043.84 and 4,341.78

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Solution

The fourth proportional to 11,364.12, 17,043.84 and 4,341.78 is: 6,511.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,364.12 : 17,043.84 = 4,341.78 : x
  2. Step 2: Convert to fraction form
    11,364.12/17,043.84 = 4,341.78/x
  3. Step 3: Cross multiply
    11,364.12x = 17,043.84 × 4,341.78
  4. Step 4: Simplify right side
    11,364.12x = 74,000,603.64
  5. Step 5: Solve for x
    x = 74,000,603.64/11,364.12
  6. Step 6: Final answer
    x = 6,511.78

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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.