Home / 13,555.52-20,334.22-4,194.30

Finding the Fourth Proportional to 13,555.52, 20,334.22 and 4,194.30

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Solution

The fourth proportional to 13,555.52, 20,334.22 and 4,194.30 is: 6,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,555.52 : 20,334.22 = 4,194.30 : x
  2. Step 2: Convert to fraction form
    13,555.52/20,334.22 = 4,194.30/x
  3. Step 3: Cross multiply
    13,555.52x = 20,334.22 × 4,194.30
  4. Step 4: Simplify right side
    13,555.52x = 85,287,829.43
  5. Step 5: Solve for x
    x = 85,287,829.43/13,555.52
  6. Step 6: Final answer
    x = 6,291.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.