Home / 10,108.40-13,942.73-5,916.65

Finding the Fourth Proportional to 10,108.40, 13,942.73 and 5,916.65

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Solution

The fourth proportional to 10,108.40, 13,942.73 and 5,916.65 is: 8,160.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,108.40 : 13,942.73 = 5,916.65 : x
  2. Step 2: Convert to fraction form
    10,108.40/13,942.73 = 5,916.65/x
  3. Step 3: Cross multiply
    10,108.40x = 13,942.73 × 5,916.65
  4. Step 4: Simplify right side
    10,108.40x = 82,494,198.53
  5. Step 5: Solve for x
    x = 82,494,198.53/10,108.40
  6. Step 6: Final answer
    x = 8,160.96

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1.5x scale

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.