Home / 13,446.14-20,165.56-5,653.13

Finding the Fourth Proportional to 13,446.14, 20,165.56 and 5,653.13

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Solution

The fourth proportional to 13,446.14, 20,165.56 and 5,653.13 is: 8,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,446.14 : 20,165.56 = 5,653.13 : x
  2. Step 2: Convert to fraction form
    13,446.14/20,165.56 = 5,653.13/x
  3. Step 3: Cross multiply
    13,446.14x = 20,165.56 × 5,653.13
  4. Step 4: Simplify right side
    13,446.14x = 113,998,417.24
  5. Step 5: Solve for x
    x = 113,998,417.24/13,446.14
  6. Step 6: Final answer
    x = 8,478.16

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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.