Home / 13,053.11-19,563.64-5,147.69

Finding the Fourth Proportional to 13,053.11, 19,563.64 and 5,147.69

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Solution

The fourth proportional to 13,053.11, 19,563.64 and 5,147.69 is: 7,715.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053.11 : 19,563.64 = 5,147.69 : x
  2. Step 2: Convert to fraction form
    13,053.11/19,563.64 = 5,147.69/x
  3. Step 3: Cross multiply
    13,053.11x = 19,563.64 × 5,147.69
  4. Step 4: Simplify right side
    13,053.11x = 100,707,590.03
  5. Step 5: Solve for x
    x = 100,707,590.03/13,053.11
  6. Step 6: Final answer
    x = 7,715.22

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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.