Home / 13,775.85-20,652.24-6,385.59

Finding the Fourth Proportional to 13,775.85, 20,652.24 and 6,385.59

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Solution

The fourth proportional to 13,775.85, 20,652.24 and 6,385.59 is: 9,573.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,775.85 : 20,652.24 = 6,385.59 : x
  2. Step 2: Convert to fraction form
    13,775.85/20,652.24 = 6,385.59/x
  3. Step 3: Cross multiply
    13,775.85x = 20,652.24 × 6,385.59
  4. Step 4: Simplify right side
    13,775.85x = 131,876,737.22
  5. Step 5: Solve for x
    x = 131,876,737.22/13,775.85
  6. Step 6: Final answer
    x = 9,573.04

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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.