Home / 14,381.44-21,527.56-7,791.28

Finding the Fourth Proportional to 14,381.44, 21,527.56 and 7,791.28

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Solution

The fourth proportional to 14,381.44, 21,527.56 and 7,791.28 is: 11,662.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.44 : 21,527.56 = 7,791.28 : x
  2. Step 2: Convert to fraction form
    14,381.44/21,527.56 = 7,791.28/x
  3. Step 3: Cross multiply
    14,381.44x = 21,527.56 × 7,791.28
  4. Step 4: Simplify right side
    14,381.44x = 167,727,247.68
  5. Step 5: Solve for x
    x = 167,727,247.68/14,381.44
  6. Step 6: Final answer
    x = 11,662.76

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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.