Home / 14,627.81-20,186.37-8,255.75

Finding the Fourth Proportional to 14,627.81, 20,186.37 and 8,255.75

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Solution

The fourth proportional to 14,627.81, 20,186.37 and 8,255.75 is: 11,392.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,627.81 : 20,186.37 = 8,255.75 : x
  2. Step 2: Convert to fraction form
    14,627.81/20,186.37 = 8,255.75/x
  3. Step 3: Cross multiply
    14,627.81x = 20,186.37 × 8,255.75
  4. Step 4: Simplify right side
    14,627.81x = 166,653,523.20
  5. Step 5: Solve for x
    x = 166,653,523.20/14,627.81
  6. Step 6: Final answer
    x = 11,392.93

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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.