Home / 14,629.90-20,184.26-8,255.72

Finding the Fourth Proportional to 14,629.90, 20,184.26 and 8,255.72

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Solution

The fourth proportional to 14,629.90, 20,184.26 and 8,255.72 is: 11,390.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,629.90 : 20,184.26 = 8,255.72 : x
  2. Step 2: Convert to fraction form
    14,629.90/20,184.26 = 8,255.72/x
  3. Step 3: Cross multiply
    14,629.90x = 20,184.26 × 8,255.72
  4. Step 4: Simplify right side
    14,629.90x = 166,635,598.97
  5. Step 5: Solve for x
    x = 166,635,598.97/14,629.90
  6. Step 6: Final answer
    x = 11,390.07

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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.