Home / 12,450.32-18,687.20-8,293.26

Finding the Fourth Proportional to 12,450.32, 18,687.20 and 8,293.26

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Solution

The fourth proportional to 12,450.32, 18,687.20 and 8,293.26 is: 12,447.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,450.32 : 18,687.20 = 8,293.26 : x
  2. Step 2: Convert to fraction form
    12,450.32/18,687.20 = 8,293.26/x
  3. Step 3: Cross multiply
    12,450.32x = 18,687.20 × 8,293.26
  4. Step 4: Simplify right side
    12,450.32x = 154,977,808.27
  5. Step 5: Solve for x
    x = 154,977,808.27/12,450.32
  6. Step 6: Final answer
    x = 12,447.70

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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.