Home / 13,517.67-18,652.64-8,808.33

Finding the Fourth Proportional to 13,517.67, 18,652.64 and 8,808.33

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Solution

The fourth proportional to 13,517.67, 18,652.64 and 8,808.33 is: 12,154.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.67 : 18,652.64 = 8,808.33 : x
  2. Step 2: Convert to fraction form
    13,517.67/18,652.64 = 8,808.33/x
  3. Step 3: Cross multiply
    13,517.67x = 18,652.64 × 8,808.33
  4. Step 4: Simplify right side
    13,517.67x = 164,298,564.45
  5. Step 5: Solve for x
    x = 164,298,564.45/13,517.67
  6. Step 6: Final answer
    x = 12,154.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.