Home / 21,250.54-31,896.06-10,163.26

Finding the Fourth Proportional to 21,250.54, 31,896.06 and 10,163.26

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Solution

The fourth proportional to 21,250.54, 31,896.06 and 10,163.26 is: 15,254.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,250.54 : 31,896.06 = 10,163.26 : x
  2. Step 2: Convert to fraction form
    21,250.54/31,896.06 = 10,163.26/x
  3. Step 3: Cross multiply
    21,250.54x = 31,896.06 × 10,163.26
  4. Step 4: Simplify right side
    21,250.54x = 324,167,950.76
  5. Step 5: Solve for x
    x = 324,167,950.76/21,250.54
  6. Step 6: Final answer
    x = 15,254.57

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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.