Home / 14,163.12-21,249-10,223.28

Finding the Fourth Proportional to 14,163.12, 21,249 and 10,223.28

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Solution

The fourth proportional to 14,163.12, 21,249 and 10,223.28 is: 15,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.12 : 21,249 = 10,223.28 : x
  2. Step 2: Convert to fraction form
    14,163.12/21,249 = 10,223.28/x
  3. Step 3: Cross multiply
    14,163.12x = 21,249 × 10,223.28
  4. Step 4: Simplify right side
    14,163.12x = 217,234,476.72
  5. Step 5: Solve for x
    x = 217,234,476.72/14,163.12
  6. Step 6: Final answer
    x = 15,338.04

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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.