Home / 13,857.36-20,790.72-5,956.26

Finding the Fourth Proportional to 13,857.36, 20,790.72 and 5,956.26

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Solution

The fourth proportional to 13,857.36, 20,790.72 and 5,956.26 is: 8,936.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,857.36 : 20,790.72 = 5,956.26 : x
  2. Step 2: Convert to fraction form
    13,857.36/20,790.72 = 5,956.26/x
  3. Step 3: Cross multiply
    13,857.36x = 20,790.72 × 5,956.26
  4. Step 4: Simplify right side
    13,857.36x = 123,834,933.91
  5. Step 5: Solve for x
    x = 123,834,933.91/13,857.36
  6. Step 6: Final answer
    x = 8,936.40

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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.