Home / 20,626.15-28,464.51-11,673.65

Finding the Fourth Proportional to 20,626.15, 28,464.51 and 11,673.65

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Solution

The fourth proportional to 20,626.15, 28,464.51 and 11,673.65 is: 16,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.15 : 28,464.51 = 11,673.65 : x
  2. Step 2: Convert to fraction form
    20,626.15/28,464.51 = 11,673.65/x
  3. Step 3: Cross multiply
    20,626.15x = 28,464.51 × 11,673.65
  4. Step 4: Simplify right side
    20,626.15x = 332,284,727.16
  5. Step 5: Solve for x
    x = 332,284,727.16/20,626.15
  6. Step 6: Final answer
    x = 16,109.88

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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.