Home / 13,855.05-20,775.69-5,956.74

Finding the Fourth Proportional to 13,855.05, 20,775.69 and 5,956.74

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Solution

The fourth proportional to 13,855.05, 20,775.69 and 5,956.74 is: 8,932.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,855.05 : 20,775.69 = 5,956.74 : x
  2. Step 2: Convert to fraction form
    13,855.05/20,775.69 = 5,956.74/x
  3. Step 3: Cross multiply
    13,855.05x = 20,775.69 × 5,956.74
  4. Step 4: Simplify right side
    13,855.05x = 123,755,383.65
  5. Step 5: Solve for x
    x = 123,755,383.65/13,855.05
  6. Step 6: Final answer
    x = 8,932.15

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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.