Home / 13,261.43-19,892.33-5,367.71

Finding the Fourth Proportional to 13,261.43, 19,892.33 and 5,367.71

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Solution

The fourth proportional to 13,261.43, 19,892.33 and 5,367.71 is: 8,051.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,261.43 : 19,892.33 = 5,367.71 : x
  2. Step 2: Convert to fraction form
    13,261.43/19,892.33 = 5,367.71/x
  3. Step 3: Cross multiply
    13,261.43x = 19,892.33 × 5,367.71
  4. Step 4: Simplify right side
    13,261.43x = 106,776,231.83
  5. Step 5: Solve for x
    x = 106,776,231.83/13,261.43
  6. Step 6: Final answer
    x = 8,051.64

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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.