Home / 13,604.15-20,353.42-11,925.64

Finding the Fourth Proportional to 13,604.15, 20,353.42 and 11,925.64

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Solution

The fourth proportional to 13,604.15, 20,353.42 and 11,925.64 is: 17,842.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,604.15 : 20,353.42 = 11,925.64 : x
  2. Step 2: Convert to fraction form
    13,604.15/20,353.42 = 11,925.64/x
  3. Step 3: Cross multiply
    13,604.15x = 20,353.42 × 11,925.64
  4. Step 4: Simplify right side
    13,604.15x = 242,727,620.27
  5. Step 5: Solve for x
    x = 242,727,620.27/13,604.15
  6. Step 6: Final answer
    x = 17,842.18

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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.