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Finding the Fourth Proportional to 13,850.60, 19,113.02 and 7,561.72

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Solution

The fourth proportional to 13,850.60, 19,113.02 and 7,561.72 is: 10,434.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850.60 : 19,113.02 = 7,561.72 : x
  2. Step 2: Convert to fraction form
    13,850.60/19,113.02 = 7,561.72/x
  3. Step 3: Cross multiply
    13,850.60x = 19,113.02 × 7,561.72
  4. Step 4: Simplify right side
    13,850.60x = 144,527,305.59
  5. Step 5: Solve for x
    x = 144,527,305.59/13,850.60
  6. Step 6: Final answer
    x = 10,434.73

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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.