Home / 14,791.24-20,412.16-8,076.88

Finding the Fourth Proportional to 14,791.24, 20,412.16 and 8,076.88

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Solution

The fourth proportional to 14,791.24, 20,412.16 and 8,076.88 is: 11,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,791.24 : 20,412.16 = 8,076.88 : x
  2. Step 2: Convert to fraction form
    14,791.24/20,412.16 = 8,076.88/x
  3. Step 3: Cross multiply
    14,791.24x = 20,412.16 × 8,076.88
  4. Step 4: Simplify right side
    14,791.24x = 164,866,566.86
  5. Step 5: Solve for x
    x = 164,866,566.86/14,791.24
  6. Step 6: Final answer
    x = 11,146.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.