Home / 14,771.23-20,375.96-8,802.54

Finding the Fourth Proportional to 14,771.23, 20,375.96 and 8,802.54

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Solution

The fourth proportional to 14,771.23, 20,375.96 and 8,802.54 is: 12,142.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,771.23 : 20,375.96 = 8,802.54 : x
  2. Step 2: Convert to fraction form
    14,771.23/20,375.96 = 8,802.54/x
  3. Step 3: Cross multiply
    14,771.23x = 20,375.96 × 8,802.54
  4. Step 4: Simplify right side
    14,771.23x = 179,360,158.93
  5. Step 5: Solve for x
    x = 179,360,158.93/14,771.23
  6. Step 6: Final answer
    x = 12,142.54

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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.