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Finding the Fourth Proportional to 13,733.32, 18,953.04 and 7,765.11

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Solution

The fourth proportional to 13,733.32, 18,953.04 and 7,765.11 is: 10,716.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,733.32 : 18,953.04 = 7,765.11 : x
  2. Step 2: Convert to fraction form
    13,733.32/18,953.04 = 7,765.11/x
  3. Step 3: Cross multiply
    13,733.32x = 18,953.04 × 7,765.11
  4. Step 4: Simplify right side
    13,733.32x = 147,172,440.43
  5. Step 5: Solve for x
    x = 147,172,440.43/13,733.32
  6. Step 6: Final answer
    x = 10,716.45

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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.