Home / 9,192.30-12,685.44-5,000.54

Finding the Fourth Proportional to 9,192.30, 12,685.44 and 5,000.54

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Solution

The fourth proportional to 9,192.30, 12,685.44 and 5,000.54 is: 6,900.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.30 : 12,685.44 = 5,000.54 : x
  2. Step 2: Convert to fraction form
    9,192.30/12,685.44 = 5,000.54/x
  3. Step 3: Cross multiply
    9,192.30x = 12,685.44 × 5,000.54
  4. Step 4: Simplify right side
    9,192.30x = 63,434,050.14
  5. Step 5: Solve for x
    x = 63,434,050.14/9,192.30
  6. Step 6: Final answer
    x = 6,900.78

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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.