Home / 11,525.48-17,268.77-8,401.11

Finding the Fourth Proportional to 11,525.48, 17,268.77 and 8,401.11

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Solution

The fourth proportional to 11,525.48, 17,268.77 and 8,401.11 is: 12,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,525.48 : 17,268.77 = 8,401.11 : x
  2. Step 2: Convert to fraction form
    11,525.48/17,268.77 = 8,401.11/x
  3. Step 3: Cross multiply
    11,525.48x = 17,268.77 × 8,401.11
  4. Step 4: Simplify right side
    11,525.48x = 145,076,836.33
  5. Step 5: Solve for x
    x = 145,076,836.33/11,525.48
  6. Step 6: Final answer
    x = 12,587.49

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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.