Home / 13,544.20-20,268.24-8,277.40

Finding the Fourth Proportional to 13,544.20, 20,268.24 and 8,277.40

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Solution

The fourth proportional to 13,544.20, 20,268.24 and 8,277.40 is: 12,386.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,544.20 : 20,268.24 = 8,277.40 : x
  2. Step 2: Convert to fraction form
    13,544.20/20,268.24 = 8,277.40/x
  3. Step 3: Cross multiply
    13,544.20x = 20,268.24 × 8,277.40
  4. Step 4: Simplify right side
    13,544.20x = 167,768,329.78
  5. Step 5: Solve for x
    x = 167,768,329.78/13,544.20
  6. Step 6: Final answer
    x = 12,386.73

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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.