Home / 13,524.07-20,286.10-4,290.07

Finding the Fourth Proportional to 13,524.07, 20,286.10 and 4,290.07

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Solution

The fourth proportional to 13,524.07, 20,286.10 and 4,290.07 is: 6,435.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.07 : 20,286.10 = 4,290.07 : x
  2. Step 2: Convert to fraction form
    13,524.07/20,286.10 = 4,290.07/x
  3. Step 3: Cross multiply
    13,524.07x = 20,286.10 × 4,290.07
  4. Step 4: Simplify right side
    13,524.07x = 87,028,687.60
  5. Step 5: Solve for x
    x = 87,028,687.60/13,524.07
  6. Step 6: Final answer
    x = 6,435.10

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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.