Home / 11,916.15-17,877.21-3,595.98

Finding the Fourth Proportional to 11,916.15, 17,877.21 and 3,595.98

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Solution

The fourth proportional to 11,916.15, 17,877.21 and 3,595.98 is: 5,394.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,916.15 : 17,877.21 = 3,595.98 : x
  2. Step 2: Convert to fraction form
    11,916.15/17,877.21 = 3,595.98/x
  3. Step 3: Cross multiply
    11,916.15x = 17,877.21 × 3,595.98
  4. Step 4: Simplify right side
    11,916.15x = 64,286,089.62
  5. Step 5: Solve for x
    x = 64,286,089.62/11,916.15
  6. Step 6: Final answer
    x = 5,394.87

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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.