Home / 13,529.20-20,245.74-8,262.58

Finding the Fourth Proportional to 13,529.20, 20,245.74 and 8,262.58

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Solution

The fourth proportional to 13,529.20, 20,245.74 and 8,262.58 is: 12,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.20 : 20,245.74 = 8,262.58 : x
  2. Step 2: Convert to fraction form
    13,529.20/20,245.74 = 8,262.58/x
  3. Step 3: Cross multiply
    13,529.20x = 20,245.74 × 8,262.58
  4. Step 4: Simplify right side
    13,529.20x = 167,282,046.41
  5. Step 5: Solve for x
    x = 167,282,046.41/13,529.20
  6. Step 6: Final answer
    x = 12,364.52

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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.