Home / 14,722.86-20,310.85-8,751.14

Finding the Fourth Proportional to 14,722.86, 20,310.85 and 8,751.14

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Solution

The fourth proportional to 14,722.86, 20,310.85 and 8,751.14 is: 12,072.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.86 : 20,310.85 = 8,751.14 : x
  2. Step 2: Convert to fraction form
    14,722.86/20,310.85 = 8,751.14/x
  3. Step 3: Cross multiply
    14,722.86x = 20,310.85 × 8,751.14
  4. Step 4: Simplify right side
    14,722.86x = 177,743,077.42
  5. Step 5: Solve for x
    x = 177,743,077.42/14,722.86
  6. Step 6: Final answer
    x = 12,072.59

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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.