Home / 13,695.64-20,525.82-6,193.72

Finding the Fourth Proportional to 13,695.64, 20,525.82 and 6,193.72

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Solution

The fourth proportional to 13,695.64, 20,525.82 and 6,193.72 is: 9,282.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,695.64 : 20,525.82 = 6,193.72 : x
  2. Step 2: Convert to fraction form
    13,695.64/20,525.82 = 6,193.72/x
  3. Step 3: Cross multiply
    13,695.64x = 20,525.82 × 6,193.72
  4. Step 4: Simplify right side
    13,695.64x = 127,131,181.85
  5. Step 5: Solve for x
    x = 127,131,181.85/13,695.64
  6. Step 6: Final answer
    x = 9,282.60

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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.