Home / 13,599.08-20,404.90-6,205.81

Finding the Fourth Proportional to 13,599.08, 20,404.90 and 6,205.81

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Solution

The fourth proportional to 13,599.08, 20,404.90 and 6,205.81 is: 9,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,599.08 : 20,404.90 = 6,205.81 : x
  2. Step 2: Convert to fraction form
    13,599.08/20,404.90 = 6,205.81/x
  3. Step 3: Cross multiply
    13,599.08x = 20,404.90 × 6,205.81
  4. Step 4: Simplify right side
    13,599.08x = 126,628,865.94
  5. Step 5: Solve for x
    x = 126,628,865.94/13,599.08
  6. Step 6: Final answer
    x = 9,311.57

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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.