Home / 11,277.14-16,916.58-3,780.74

Finding the Fourth Proportional to 11,277.14, 16,916.58 and 3,780.74

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Solution

The fourth proportional to 11,277.14, 16,916.58 and 3,780.74 is: 5,671.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.14 : 16,916.58 = 3,780.74 : x
  2. Step 2: Convert to fraction form
    11,277.14/16,916.58 = 3,780.74/x
  3. Step 3: Cross multiply
    11,277.14x = 16,916.58 × 3,780.74
  4. Step 4: Simplify right side
    11,277.14x = 63,957,106.09
  5. Step 5: Solve for x
    x = 63,957,106.09/11,277.14
  6. Step 6: Final answer
    x = 5,671.40

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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.