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Finding the Fourth Proportional to 9,555.88, 13,187.11 and 5,364.13

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Solution

The fourth proportional to 9,555.88, 13,187.11 and 5,364.13 is: 7,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.88 : 13,187.11 = 5,364.13 : x
  2. Step 2: Convert to fraction form
    9,555.88/13,187.11 = 5,364.13/x
  3. Step 3: Cross multiply
    9,555.88x = 13,187.11 × 5,364.13
  4. Step 4: Simplify right side
    9,555.88x = 70,737,372.36
  5. Step 5: Solve for x
    x = 70,737,372.36/9,555.88
  6. Step 6: Final answer
    x = 7,402.50

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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.