Home / 13,971.91-20,971.64-10,263.73

Finding the Fourth Proportional to 13,971.91, 20,971.64 and 10,263.73

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Solution

The fourth proportional to 13,971.91, 20,971.64 and 10,263.73 is: 15,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,971.91 : 20,971.64 = 10,263.73 : x
  2. Step 2: Convert to fraction form
    13,971.91/20,971.64 = 10,263.73/x
  3. Step 3: Cross multiply
    13,971.91x = 20,971.64 × 10,263.73
  4. Step 4: Simplify right side
    13,971.91x = 215,247,250.62
  5. Step 5: Solve for x
    x = 215,247,250.62/13,971.91
  6. Step 6: Final answer
    x = 15,405.71

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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.