Home / 14,634.76-20,190.34-8,343.80

Finding the Fourth Proportional to 14,634.76, 20,190.34 and 8,343.80

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Solution

The fourth proportional to 14,634.76, 20,190.34 and 8,343.80 is: 11,511.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.76 : 20,190.34 = 8,343.80 : x
  2. Step 2: Convert to fraction form
    14,634.76/20,190.34 = 8,343.80/x
  3. Step 3: Cross multiply
    14,634.76x = 20,190.34 × 8,343.80
  4. Step 4: Simplify right side
    14,634.76x = 168,464,158.89
  5. Step 5: Solve for x
    x = 168,464,158.89/14,634.76
  6. Step 6: Final answer
    x = 11,511.23

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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.