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Finding the Fourth Proportional to 10,388.70, 14,327.37 and 6,753.21

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Solution

The fourth proportional to 10,388.70, 14,327.37 and 6,753.21 is: 9,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.70 : 14,327.37 = 6,753.21 : x
  2. Step 2: Convert to fraction form
    10,388.70/14,327.37 = 6,753.21/x
  3. Step 3: Cross multiply
    10,388.70x = 14,327.37 × 6,753.21
  4. Step 4: Simplify right side
    10,388.70x = 96,755,746.23
  5. Step 5: Solve for x
    x = 96,755,746.23/10,388.70
  6. Step 6: Final answer
    x = 9,313.55

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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.