Home / 13,926.57-20,895.12-8,383.83

Finding the Fourth Proportional to 13,926.57, 20,895.12 and 8,383.83

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Solution

The fourth proportional to 13,926.57, 20,895.12 and 8,383.83 is: 12,578.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,926.57 : 20,895.12 = 8,383.83 : x
  2. Step 2: Convert to fraction form
    13,926.57/20,895.12 = 8,383.83/x
  3. Step 3: Cross multiply
    13,926.57x = 20,895.12 × 8,383.83
  4. Step 4: Simplify right side
    13,926.57x = 175,181,133.91
  5. Step 5: Solve for x
    x = 175,181,133.91/13,926.57
  6. Step 6: Final answer
    x = 12,578.91

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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.