Home / 15,196.02-20,970.45-8,481.66

Finding the Fourth Proportional to 15,196.02, 20,970.45 and 8,481.66

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Solution

The fourth proportional to 15,196.02, 20,970.45 and 8,481.66 is: 11,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196.02 : 20,970.45 = 8,481.66 : x
  2. Step 2: Convert to fraction form
    15,196.02/20,970.45 = 8,481.66/x
  3. Step 3: Cross multiply
    15,196.02x = 20,970.45 × 8,481.66
  4. Step 4: Simplify right side
    15,196.02x = 177,864,226.95
  5. Step 5: Solve for x
    x = 177,864,226.95/15,196.02
  6. Step 6: Final answer
    x = 11,704.66

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