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Finding the Fourth Proportional to 11,219.51, 15,479.37 and 6,502.88

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Solution

The fourth proportional to 11,219.51, 15,479.37 and 6,502.88 is: 8,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.51 : 15,479.37 = 6,502.88 : x
  2. Step 2: Convert to fraction form
    11,219.51/15,479.37 = 6,502.88/x
  3. Step 3: Cross multiply
    11,219.51x = 15,479.37 × 6,502.88
  4. Step 4: Simplify right side
    11,219.51x = 100,660,524.28
  5. Step 5: Solve for x
    x = 100,660,524.28/11,219.51
  6. Step 6: Final answer
    x = 8,971.92

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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.