Home / 10,640.14-15,954.86-6,199.27

Finding the Fourth Proportional to 10,640.14, 15,954.86 and 6,199.27

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Solution

The fourth proportional to 10,640.14, 15,954.86 and 6,199.27 is: 9,295.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,640.14 : 15,954.86 = 6,199.27 : x
  2. Step 2: Convert to fraction form
    10,640.14/15,954.86 = 6,199.27/x
  3. Step 3: Cross multiply
    10,640.14x = 15,954.86 × 6,199.27
  4. Step 4: Simplify right side
    10,640.14x = 98,908,460.56
  5. Step 5: Solve for x
    x = 98,908,460.56/10,640.14
  6. Step 6: Final answer
    x = 9,295.79

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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.