Home / 11,054.28-15,260.54-8,530.72

Finding the Fourth Proportional to 11,054.28, 15,260.54 and 8,530.72

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Solution

The fourth proportional to 11,054.28, 15,260.54 and 8,530.72 is: 11,776.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.28 : 15,260.54 = 8,530.72 : x
  2. Step 2: Convert to fraction form
    11,054.28/15,260.54 = 8,530.72/x
  3. Step 3: Cross multiply
    11,054.28x = 15,260.54 × 8,530.72
  4. Step 4: Simplify right side
    11,054.28x = 130,183,393.79
  5. Step 5: Solve for x
    x = 130,183,393.79/11,054.28
  6. Step 6: Final answer
    x = 11,776.74

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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.