Home / 13,506.36-20,266.82-6,580.86

Finding the Fourth Proportional to 13,506.36, 20,266.82 and 6,580.86

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Solution

The fourth proportional to 13,506.36, 20,266.82 and 6,580.86 is: 9,874.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.36 : 20,266.82 = 6,580.86 : x
  2. Step 2: Convert to fraction form
    13,506.36/20,266.82 = 6,580.86/x
  3. Step 3: Cross multiply
    13,506.36x = 20,266.82 × 6,580.86
  4. Step 4: Simplify right side
    13,506.36x = 133,373,072.16
  5. Step 5: Solve for x
    x = 133,373,072.16/13,506.36
  6. Step 6: Final answer
    x = 9,874.83

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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.