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Finding the Fourth Proportional to 11,490.01, 15,853.75 and 6,707.78

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Solution

The fourth proportional to 11,490.01, 15,853.75 and 6,707.78 is: 9,255.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,490.01 : 15,853.75 = 6,707.78 : x
  2. Step 2: Convert to fraction form
    11,490.01/15,853.75 = 6,707.78/x
  3. Step 3: Cross multiply
    11,490.01x = 15,853.75 × 6,707.78
  4. Step 4: Simplify right side
    11,490.01x = 106,343,467.18
  5. Step 5: Solve for x
    x = 106,343,467.18/11,490.01
  6. Step 6: Final answer
    x = 9,255.30

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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.