Home / 13,328.67-19,982.45-5,007.77

Finding the Fourth Proportional to 13,328.67, 19,982.45 and 5,007.77

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Solution

The fourth proportional to 13,328.67, 19,982.45 and 5,007.77 is: 7,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,328.67 : 19,982.45 = 5,007.77 : x
  2. Step 2: Convert to fraction form
    13,328.67/19,982.45 = 5,007.77/x
  3. Step 3: Cross multiply
    13,328.67x = 19,982.45 × 5,007.77
  4. Step 4: Simplify right side
    13,328.67x = 100,067,426.24
  5. Step 5: Solve for x
    x = 100,067,426.24/13,328.67
  6. Step 6: Final answer
    x = 7,507.68

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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.