Home / 20,626.29-28,464.25-11,673.63

Finding the Fourth Proportional to 20,626.29, 28,464.25 and 11,673.63

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Solution

The fourth proportional to 20,626.29, 28,464.25 and 11,673.63 is: 16,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.29 : 28,464.25 = 11,673.63 : x
  2. Step 2: Convert to fraction form
    20,626.29/28,464.25 = 11,673.63/x
  3. Step 3: Cross multiply
    20,626.29x = 28,464.25 × 11,673.63
  4. Step 4: Simplify right side
    20,626.29x = 332,281,122.73
  5. Step 5: Solve for x
    x = 332,281,122.73/20,626.29
  6. Step 6: Final answer
    x = 16,109.59

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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.