Home / 10,516.70-15,774.43-3,942.33

Finding the Fourth Proportional to 10,516.70, 15,774.43 and 3,942.33

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Solution

The fourth proportional to 10,516.70, 15,774.43 and 3,942.33 is: 5,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,516.70 : 15,774.43 = 3,942.33 : x
  2. Step 2: Convert to fraction form
    10,516.70/15,774.43 = 3,942.33/x
  3. Step 3: Cross multiply
    10,516.70x = 15,774.43 × 3,942.33
  4. Step 4: Simplify right side
    10,516.70x = 62,188,008.62
  5. Step 5: Solve for x
    x = 62,188,008.62/10,516.70
  6. Step 6: Final answer
    x = 5,913.26

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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.