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Finding the Fourth Proportional to 13,592.56, 18,757.80 and 7,931.22

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Solution

The fourth proportional to 13,592.56, 18,757.80 and 7,931.22 is: 10,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.56 : 18,757.80 = 7,931.22 : x
  2. Step 2: Convert to fraction form
    13,592.56/18,757.80 = 7,931.22/x
  3. Step 3: Cross multiply
    13,592.56x = 18,757.80 × 7,931.22
  4. Step 4: Simplify right side
    13,592.56x = 148,772,238.52
  5. Step 5: Solve for x
    x = 148,772,238.52/13,592.56
  6. Step 6: Final answer
    x = 10,945.12

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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.