Home / 14,713.36-20,304.42-8,425.76

Finding the Fourth Proportional to 14,713.36, 20,304.42 and 8,425.76

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Solution

The fourth proportional to 14,713.36, 20,304.42 and 8,425.76 is: 11,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,713.36 : 20,304.42 = 8,425.76 : x
  2. Step 2: Convert to fraction form
    14,713.36/20,304.42 = 8,425.76/x
  3. Step 3: Cross multiply
    14,713.36x = 20,304.42 × 8,425.76
  4. Step 4: Simplify right side
    14,713.36x = 171,080,169.86
  5. Step 5: Solve for x
    x = 171,080,169.86/14,713.36
  6. Step 6: Final answer
    x = 11,627.54

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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.