Home / 14,723.39-20,311.83-9,813.38

Finding the Fourth Proportional to 14,723.39, 20,311.83 and 9,813.38

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Solution

The fourth proportional to 14,723.39, 20,311.83 and 9,813.38 is: 13,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,723.39 : 20,311.83 = 9,813.38 : x
  2. Step 2: Convert to fraction form
    14,723.39/20,311.83 = 9,813.38/x
  3. Step 3: Cross multiply
    14,723.39x = 20,311.83 × 9,813.38
  4. Step 4: Simplify right side
    14,723.39x = 199,327,604.73
  5. Step 5: Solve for x
    x = 199,327,604.73/14,723.39
  6. Step 6: Final answer
    x = 13,538.16

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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.