Home / 11,971.02-16,524.27-8,615.82

Finding the Fourth Proportional to 11,971.02, 16,524.27 and 8,615.82

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Solution

The fourth proportional to 11,971.02, 16,524.27 and 8,615.82 is: 11,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,971.02 : 16,524.27 = 8,615.82 : x
  2. Step 2: Convert to fraction form
    11,971.02/16,524.27 = 8,615.82/x
  3. Step 3: Cross multiply
    11,971.02x = 16,524.27 × 8,615.82
  4. Step 4: Simplify right side
    11,971.02x = 142,370,135.95
  5. Step 5: Solve for x
    x = 142,370,135.95/11,971.02
  6. Step 6: Final answer
    x = 11,892.90

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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.