Home / 13,816.12-19,066.26-7,528.60

Finding the Fourth Proportional to 13,816.12, 19,066.26 and 7,528.60

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Solution

The fourth proportional to 13,816.12, 19,066.26 and 7,528.60 is: 10,389.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.12 : 19,066.26 = 7,528.60 : x
  2. Step 2: Convert to fraction form
    13,816.12/19,066.26 = 7,528.60/x
  3. Step 3: Cross multiply
    13,816.12x = 19,066.26 × 7,528.60
  4. Step 4: Simplify right side
    13,816.12x = 143,542,245.04
  5. Step 5: Solve for x
    x = 143,542,245.04/13,816.12
  6. Step 6: Final answer
    x = 10,389.48

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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.