Home / 14,626.72-20,163.88-10,427.68

Finding the Fourth Proportional to 14,626.72, 20,163.88 and 10,427.68

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Solution

The fourth proportional to 14,626.72, 20,163.88 and 10,427.68 is: 14,375.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,626.72 : 20,163.88 = 10,427.68 : x
  2. Step 2: Convert to fraction form
    14,626.72/20,163.88 = 10,427.68/x
  3. Step 3: Cross multiply
    14,626.72x = 20,163.88 × 10,427.68
  4. Step 4: Simplify right side
    14,626.72x = 210,262,488.20
  5. Step 5: Solve for x
    x = 210,262,488.20/14,626.72
  6. Step 6: Final answer
    x = 14,375.23

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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.