Home / 14,738.55-20,336.05-8,769.06

Finding the Fourth Proportional to 14,738.55, 20,336.05 and 8,769.06

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Solution

The fourth proportional to 14,738.55, 20,336.05 and 8,769.06 is: 12,099.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,738.55 : 20,336.05 = 8,769.06 : x
  2. Step 2: Convert to fraction form
    14,738.55/20,336.05 = 8,769.06/x
  3. Step 3: Cross multiply
    14,738.55x = 20,336.05 × 8,769.06
  4. Step 4: Simplify right side
    14,738.55x = 178,328,042.61
  5. Step 5: Solve for x
    x = 178,328,042.61/14,738.55
  6. Step 6: Final answer
    x = 12,099.43

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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.