Home / 13,851.51-20,777.12-3,463.26

Finding the Fourth Proportional to 13,851.51, 20,777.12 and 3,463.26

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Solution

The fourth proportional to 13,851.51, 20,777.12 and 3,463.26 is: 5,194.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,851.51 : 20,777.12 = 3,463.26 : x
  2. Step 2: Convert to fraction form
    13,851.51/20,777.12 = 3,463.26/x
  3. Step 3: Cross multiply
    13,851.51x = 20,777.12 × 3,463.26
  4. Step 4: Simplify right side
    13,851.51x = 71,956,473.38
  5. Step 5: Solve for x
    x = 71,956,473.38/13,851.51
  6. Step 6: Final answer
    x = 5,194.85

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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.