Home / 13,646.11-20,464.81-5,324.10

Finding the Fourth Proportional to 13,646.11, 20,464.81 and 5,324.10

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Solution

The fourth proportional to 13,646.11, 20,464.81 and 5,324.10 is: 7,984.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,646.11 : 20,464.81 = 5,324.10 : x
  2. Step 2: Convert to fraction form
    13,646.11/20,464.81 = 5,324.10/x
  3. Step 3: Cross multiply
    13,646.11x = 20,464.81 × 5,324.10
  4. Step 4: Simplify right side
    13,646.11x = 108,956,694.92
  5. Step 5: Solve for x
    x = 108,956,694.92/13,646.11
  6. Step 6: Final answer
    x = 7,984.45

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Why These Related Problems?

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