Home / 13,767.75-20,651.63-4,534.47

Finding the Fourth Proportional to 13,767.75, 20,651.63 and 4,534.47

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Solution

The fourth proportional to 13,767.75, 20,651.63 and 4,534.47 is: 6,801.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,767.75 : 20,651.63 = 4,534.47 : x
  2. Step 2: Convert to fraction form
    13,767.75/20,651.63 = 4,534.47/x
  3. Step 3: Cross multiply
    13,767.75x = 20,651.63 × 4,534.47
  4. Step 4: Simplify right side
    13,767.75x = 93,644,174.01
  5. Step 5: Solve for x
    x = 93,644,174.01/13,767.75
  6. Step 6: Final answer
    x = 6,801.71

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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.