Home / 13,451.59-20,180.63-4,217.59

Finding the Fourth Proportional to 13,451.59, 20,180.63 and 4,217.59

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Solution

The fourth proportional to 13,451.59, 20,180.63 and 4,217.59 is: 6,327.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,451.59 : 20,180.63 = 4,217.59 : x
  2. Step 2: Convert to fraction form
    13,451.59/20,180.63 = 4,217.59/x
  3. Step 3: Cross multiply
    13,451.59x = 20,180.63 × 4,217.59
  4. Step 4: Simplify right side
    13,451.59x = 85,113,623.28
  5. Step 5: Solve for x
    x = 85,113,623.28/13,451.59
  6. Step 6: Final answer
    x = 6,327.40

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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.