Home / 10,378.44-14,321.79-5,902.56

Finding the Fourth Proportional to 10,378.44, 14,321.79 and 5,902.56

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Solution

The fourth proportional to 10,378.44, 14,321.79 and 5,902.56 is: 8,145.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.44 : 14,321.79 = 5,902.56 : x
  2. Step 2: Convert to fraction form
    10,378.44/14,321.79 = 5,902.56/x
  3. Step 3: Cross multiply
    10,378.44x = 14,321.79 × 5,902.56
  4. Step 4: Simplify right side
    10,378.44x = 84,535,224.78
  5. Step 5: Solve for x
    x = 84,535,224.78/10,378.44
  6. Step 6: Final answer
    x = 8,145.27

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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.