Home / 13,712.14-20,568.87-3,852.40

Finding the Fourth Proportional to 13,712.14, 20,568.87 and 3,852.40

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Solution

The fourth proportional to 13,712.14, 20,568.87 and 3,852.40 is: 5,778.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,712.14 : 20,568.87 = 3,852.40 : x
  2. Step 2: Convert to fraction form
    13,712.14/20,568.87 = 3,852.40/x
  3. Step 3: Cross multiply
    13,712.14x = 20,568.87 × 3,852.40
  4. Step 4: Simplify right side
    13,712.14x = 79,239,514.79
  5. Step 5: Solve for x
    x = 79,239,514.79/13,712.14
  6. Step 6: Final answer
    x = 5,778.79

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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.