Home / 13,651.03-20,464.37-5,329.11

Finding the Fourth Proportional to 13,651.03, 20,464.37 and 5,329.11

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Solution

The fourth proportional to 13,651.03, 20,464.37 and 5,329.11 is: 7,988.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,651.03 : 20,464.37 = 5,329.11 : x
  2. Step 2: Convert to fraction form
    13,651.03/20,464.37 = 5,329.11/x
  3. Step 3: Cross multiply
    13,651.03x = 20,464.37 × 5,329.11
  4. Step 4: Simplify right side
    13,651.03x = 109,056,878.81
  5. Step 5: Solve for x
    x = 109,056,878.81/13,651.03
  6. Step 6: Final answer
    x = 7,988.91

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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.