Home / 13,789.35-20,673.94-4,424.04

Finding the Fourth Proportional to 13,789.35, 20,673.94 and 4,424.04

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Solution

The fourth proportional to 13,789.35, 20,673.94 and 4,424.04 is: 6,632.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.35 : 20,673.94 = 4,424.04 : x
  2. Step 2: Convert to fraction form
    13,789.35/20,673.94 = 4,424.04/x
  3. Step 3: Cross multiply
    13,789.35x = 20,673.94 × 4,424.04
  4. Step 4: Simplify right side
    13,789.35x = 91,462,337.52
  5. Step 5: Solve for x
    x = 91,462,337.52/13,789.35
  6. Step 6: Final answer
    x = 6,632.82

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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.