Home / 14,163.57-21,247.79-4,303.85

Finding the Fourth Proportional to 14,163.57, 21,247.79 and 4,303.85

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Solution

The fourth proportional to 14,163.57, 21,247.79 and 4,303.85 is: 6,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,163.57 : 21,247.79 = 4,303.85 : x
  2. Step 2: Convert to fraction form
    14,163.57/21,247.79 = 4,303.85/x
  3. Step 3: Cross multiply
    14,163.57x = 21,247.79 × 4,303.85
  4. Step 4: Simplify right side
    14,163.57x = 91,447,173.23
  5. Step 5: Solve for x
    x = 91,447,173.23/14,163.57
  6. Step 6: Final answer
    x = 6,456.51

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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.