Home / 13,740.19-20,596.43-5,416.98

Finding the Fourth Proportional to 13,740.19, 20,596.43 and 5,416.98

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Solution

The fourth proportional to 13,740.19, 20,596.43 and 5,416.98 is: 8,120.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,740.19 : 20,596.43 = 5,416.98 : x
  2. Step 2: Convert to fraction form
    13,740.19/20,596.43 = 5,416.98/x
  3. Step 3: Cross multiply
    13,740.19x = 20,596.43 × 5,416.98
  4. Step 4: Simplify right side
    13,740.19x = 111,570,449.38
  5. Step 5: Solve for x
    x = 111,570,449.38/13,740.19
  6. Step 6: Final answer
    x = 8,120.01

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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.