Home / 13,588.83-20,388.69-6,196.77

Finding the Fourth Proportional to 13,588.83, 20,388.69 and 6,196.77

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Solution

The fourth proportional to 13,588.83, 20,388.69 and 6,196.77 is: 9,297.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,588.83 : 20,388.69 = 6,196.77 : x
  2. Step 2: Convert to fraction form
    13,588.83/20,388.69 = 6,196.77/x
  3. Step 3: Cross multiply
    13,588.83x = 20,388.69 × 6,196.77
  4. Step 4: Simplify right side
    13,588.83x = 126,344,022.53
  5. Step 5: Solve for x
    x = 126,344,022.53/13,588.83
  6. Step 6: Final answer
    x = 9,297.64

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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.