Home / 12,669.24-18,985.50-8,716.44

Finding the Fourth Proportional to 12,669.24, 18,985.50 and 8,716.44

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Solution

The fourth proportional to 12,669.24, 18,985.50 and 8,716.44 is: 13,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,669.24 : 18,985.50 = 8,716.44 : x
  2. Step 2: Convert to fraction form
    12,669.24/18,985.50 = 8,716.44/x
  3. Step 3: Cross multiply
    12,669.24x = 18,985.50 × 8,716.44
  4. Step 4: Simplify right side
    12,669.24x = 165,485,971.62
  5. Step 5: Solve for x
    x = 165,485,971.62/12,669.24
  6. Step 6: Final answer
    x = 13,062.03

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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.