Home / 20,626.36-28,464.40-11,194.92

Finding the Fourth Proportional to 20,626.36, 28,464.40 and 11,194.92

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Solution

The fourth proportional to 20,626.36, 28,464.40 and 11,194.92 is: 15,449.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,626.36 : 28,464.40 = 11,194.92 : x
  2. Step 2: Convert to fraction form
    20,626.36/28,464.40 = 11,194.92/x
  3. Step 3: Cross multiply
    20,626.36x = 28,464.40 × 11,194.92
  4. Step 4: Simplify right side
    20,626.36x = 318,656,680.85
  5. Step 5: Solve for x
    x = 318,656,680.85/20,626.36
  6. Step 6: Final answer
    x = 15,449.00

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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.