Home / 13,556.30-20,333.85-3,695.58

Finding the Fourth Proportional to 13,556.30, 20,333.85 and 3,695.58

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Solution

The fourth proportional to 13,556.30, 20,333.85 and 3,695.58 is: 5,543.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,556.30 : 20,333.85 = 3,695.58 : x
  2. Step 2: Convert to fraction form
    13,556.30/20,333.85 = 3,695.58/x
  3. Step 3: Cross multiply
    13,556.30x = 20,333.85 × 3,695.58
  4. Step 4: Simplify right side
    13,556.30x = 75,145,369.38
  5. Step 5: Solve for x
    x = 75,145,369.38/13,556.30
  6. Step 6: Final answer
    x = 5,543.21

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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.