Home / 13,358.77-20,010.44-6,771.09

Finding the Fourth Proportional to 13,358.77, 20,010.44 and 6,771.09

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Solution

The fourth proportional to 13,358.77, 20,010.44 and 6,771.09 is: 10,142.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.77 : 20,010.44 = 6,771.09 : x
  2. Step 2: Convert to fraction form
    13,358.77/20,010.44 = 6,771.09/x
  3. Step 3: Cross multiply
    13,358.77x = 20,010.44 × 6,771.09
  4. Step 4: Simplify right side
    13,358.77x = 135,492,582.15
  5. Step 5: Solve for x
    x = 135,492,582.15/13,358.77
  6. Step 6: Final answer
    x = 10,142.59

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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.