Home / 10,163.09-15,242.11-6,896.45

Finding the Fourth Proportional to 10,163.09, 15,242.11 and 6,896.45

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Solution

The fourth proportional to 10,163.09, 15,242.11 and 6,896.45 is: 10,342.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,163.09 : 15,242.11 = 6,896.45 : x
  2. Step 2: Convert to fraction form
    10,163.09/15,242.11 = 6,896.45/x
  3. Step 3: Cross multiply
    10,163.09x = 15,242.11 × 6,896.45
  4. Step 4: Simplify right side
    10,163.09x = 105,116,449.51
  5. Step 5: Solve for x
    x = 105,116,449.51/10,163.09
  6. Step 6: Final answer
    x = 10,342.96

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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.