Home / 11,160.88-16,731.70-4,916.14

Finding the Fourth Proportional to 11,160.88, 16,731.70 and 4,916.14

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Solution

The fourth proportional to 11,160.88, 16,731.70 and 4,916.14 is: 7,369.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.88 : 16,731.70 = 4,916.14 : x
  2. Step 2: Convert to fraction form
    11,160.88/16,731.70 = 4,916.14/x
  3. Step 3: Cross multiply
    11,160.88x = 16,731.70 × 4,916.14
  4. Step 4: Simplify right side
    11,160.88x = 82,255,342.27
  5. Step 5: Solve for x
    x = 82,255,342.27/11,160.88
  6. Step 6: Final answer
    x = 7,369.97

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1.5x scale

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.