Home / 14,828.25-20,462.38-8,863.21

Finding the Fourth Proportional to 14,828.25, 20,462.38 and 8,863.21

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Solution

The fourth proportional to 14,828.25, 20,462.38 and 8,863.21 is: 12,230.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,828.25 : 20,462.38 = 8,863.21 : x
  2. Step 2: Convert to fraction form
    14,828.25/20,462.38 = 8,863.21/x
  3. Step 3: Cross multiply
    14,828.25x = 20,462.38 × 8,863.21
  4. Step 4: Simplify right side
    14,828.25x = 181,362,399.39
  5. Step 5: Solve for x
    x = 181,362,399.39/14,828.25
  6. Step 6: Final answer
    x = 12,230.87

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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.