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Finding the Fourth Proportional to 13,800.96, 20,675.52 and 10,707.84

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Solution

The fourth proportional to 13,800.96, 20,675.52 and 10,707.84 is: 16,041.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,800.96 : 20,675.52 = 10,707.84 : x
  2. Step 2: Convert to fraction form
    13,800.96/20,675.52 = 10,707.84/x
  3. Step 3: Cross multiply
    13,800.96x = 20,675.52 × 10,707.84
  4. Step 4: Simplify right side
    13,800.96x = 221,390,160.08
  5. Step 5: Solve for x
    x = 221,390,160.08/13,800.96
  6. Step 6: Final answer
    x = 16,041.65

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.