Home / 13,568.08-20,352.89-4,209.43

Finding the Fourth Proportional to 13,568.08, 20,352.89 and 4,209.43

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Solution

The fourth proportional to 13,568.08, 20,352.89 and 4,209.43 is: 6,314.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,568.08 : 20,352.89 = 4,209.43 : x
  2. Step 2: Convert to fraction form
    13,568.08/20,352.89 = 4,209.43/x
  3. Step 3: Cross multiply
    13,568.08x = 20,352.89 × 4,209.43
  4. Step 4: Simplify right side
    13,568.08x = 85,674,065.75
  5. Step 5: Solve for x
    x = 85,674,065.75/13,568.08
  6. Step 6: Final answer
    x = 6,314.38

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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.