Home / 8,269.32-12,403.96-2,113.32

Finding the Fourth Proportional to 8,269.32, 12,403.96 and 2,113.32

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Solution

The fourth proportional to 8,269.32, 12,403.96 and 2,113.32 is: 3,169.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,269.32 : 12,403.96 = 2,113.32 : x
  2. Step 2: Convert to fraction form
    8,269.32/12,403.96 = 2,113.32/x
  3. Step 3: Cross multiply
    8,269.32x = 12,403.96 × 2,113.32
  4. Step 4: Simplify right side
    8,269.32x = 26,213,536.75
  5. Step 5: Solve for x
    x = 26,213,536.75/8,269.32
  6. Step 6: Final answer
    x = 3,169.97

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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.