Home / 10,378.14-14,321.25-5,902.98

Finding the Fourth Proportional to 10,378.14, 14,321.25 and 5,902.98

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Solution

The fourth proportional to 10,378.14, 14,321.25 and 5,902.98 is: 8,145.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.14 : 14,321.25 = 5,902.98 : x
  2. Step 2: Convert to fraction form
    10,378.14/14,321.25 = 5,902.98/x
  3. Step 3: Cross multiply
    10,378.14x = 14,321.25 × 5,902.98
  4. Step 4: Simplify right side
    10,378.14x = 84,538,052.33
  5. Step 5: Solve for x
    x = 84,538,052.33/10,378.14
  6. Step 6: Final answer
    x = 8,145.78

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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.