Home / 13,633.68-20,453.82-4,747.71

Finding the Fourth Proportional to 13,633.68, 20,453.82 and 4,747.71

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Solution

The fourth proportional to 13,633.68, 20,453.82 and 4,747.71 is: 7,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.68 : 20,453.82 = 4,747.71 : x
  2. Step 2: Convert to fraction form
    13,633.68/20,453.82 = 4,747.71/x
  3. Step 3: Cross multiply
    13,633.68x = 20,453.82 × 4,747.71
  4. Step 4: Simplify right side
    13,633.68x = 97,108,864.65
  5. Step 5: Solve for x
    x = 97,108,864.65/13,633.68
  6. Step 6: Final answer
    x = 7,122.72

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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.