Home / 12,598.12-18,883.36-5,198.76

Finding the Fourth Proportional to 12,598.12, 18,883.36 and 5,198.76

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Solution

The fourth proportional to 12,598.12, 18,883.36 and 5,198.76 is: 7,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,598.12 : 18,883.36 = 5,198.76 : x
  2. Step 2: Convert to fraction form
    12,598.12/18,883.36 = 5,198.76/x
  3. Step 3: Cross multiply
    12,598.12x = 18,883.36 × 5,198.76
  4. Step 4: Simplify right side
    12,598.12x = 98,170,056.63
  5. Step 5: Solve for x
    x = 98,170,056.63/12,598.12
  6. Step 6: Final answer
    x = 7,792.44

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.