Home / 13,560.08-20,342.20-5,766.80

Finding the Fourth Proportional to 13,560.08, 20,342.20 and 5,766.80

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Solution

The fourth proportional to 13,560.08, 20,342.20 and 5,766.80 is: 8,651.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.08 : 20,342.20 = 5,766.80 : x
  2. Step 2: Convert to fraction form
    13,560.08/20,342.20 = 5,766.80/x
  3. Step 3: Cross multiply
    13,560.08x = 20,342.20 × 5,766.80
  4. Step 4: Simplify right side
    13,560.08x = 117,309,398.96
  5. Step 5: Solve for x
    x = 117,309,398.96/13,560.08
  6. Step 6: Final answer
    x = 8,651.08

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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.