Home / 13,535.86-20,305.70-4,176.64

Finding the Fourth Proportional to 13,535.86, 20,305.70 and 4,176.64

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Solution

The fourth proportional to 13,535.86, 20,305.70 and 4,176.64 is: 6,265.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,535.86 : 20,305.70 = 4,176.64 : x
  2. Step 2: Convert to fraction form
    13,535.86/20,305.70 = 4,176.64/x
  3. Step 3: Cross multiply
    13,535.86x = 20,305.70 × 4,176.64
  4. Step 4: Simplify right side
    13,535.86x = 84,809,527.20
  5. Step 5: Solve for x
    x = 84,809,527.20/13,535.86
  6. Step 6: Final answer
    x = 6,265.54

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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.