Home / 11,054.72-15,234.20-7,068.92

Finding the Fourth Proportional to 11,054.72, 15,234.20 and 7,068.92

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Solution

The fourth proportional to 11,054.72, 15,234.20 and 7,068.92 is: 9,741.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.72 : 15,234.20 = 7,068.92 : x
  2. Step 2: Convert to fraction form
    11,054.72/15,234.20 = 7,068.92/x
  3. Step 3: Cross multiply
    11,054.72x = 15,234.20 × 7,068.92
  4. Step 4: Simplify right side
    11,054.72x = 107,689,229.55
  5. Step 5: Solve for x
    x = 107,689,229.55/11,054.72
  6. Step 6: Final answer
    x = 9,741.47

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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.