Home / 13,942.40-20,895.14-10,227.24

Finding the Fourth Proportional to 13,942.40, 20,895.14 and 10,227.24

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Solution

The fourth proportional to 13,942.40, 20,895.14 and 10,227.24 is: 15,327.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,942.40 : 20,895.14 = 10,227.24 : x
  2. Step 2: Convert to fraction form
    13,942.40/20,895.14 = 10,227.24/x
  3. Step 3: Cross multiply
    13,942.40x = 20,895.14 × 10,227.24
  4. Step 4: Simplify right side
    13,942.40x = 213,699,507.14
  5. Step 5: Solve for x
    x = 213,699,507.14/13,942.40
  6. Step 6: Final answer
    x = 15,327.31

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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.