Home / 13,712.42-20,567.03-3,852.55

Finding the Fourth Proportional to 13,712.42, 20,567.03 and 3,852.55

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Solution

The fourth proportional to 13,712.42, 20,567.03 and 3,852.55 is: 5,778.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.42 : 20,567.03 = 3,852.55 : x
  2. Step 2: Convert to fraction form
    13,712.42/20,567.03 = 3,852.55/x
  3. Step 3: Cross multiply
    13,712.42x = 20,567.03 × 3,852.55
  4. Step 4: Simplify right side
    13,712.42x = 79,235,389.33
  5. Step 5: Solve for x
    x = 79,235,389.33/13,712.42
  6. Step 6: Final answer
    x = 5,778.37

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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.