Home / 10,147.05-13,997.83-6,790.01

Finding the Fourth Proportional to 10,147.05, 13,997.83 and 6,790.01

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Solution

The fourth proportional to 10,147.05, 13,997.83 and 6,790.01 is: 9,366.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,147.05 : 13,997.83 = 6,790.01 : x
  2. Step 2: Convert to fraction form
    10,147.05/13,997.83 = 6,790.01/x
  3. Step 3: Cross multiply
    10,147.05x = 13,997.83 × 6,790.01
  4. Step 4: Simplify right side
    10,147.05x = 95,045,405.68
  5. Step 5: Solve for x
    x = 95,045,405.68/10,147.05
  6. Step 6: Final answer
    x = 9,366.80

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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.