Home / 11,513.22-17,271.45-5,669.88

Finding the Fourth Proportional to 11,513.22, 17,271.45 and 5,669.88

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Solution

The fourth proportional to 11,513.22, 17,271.45 and 5,669.88 is: 8,505.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.22 : 17,271.45 = 5,669.88 : x
  2. Step 2: Convert to fraction form
    11,513.22/17,271.45 = 5,669.88/x
  3. Step 3: Cross multiply
    11,513.22x = 17,271.45 × 5,669.88
  4. Step 4: Simplify right side
    11,513.22x = 97,927,048.93
  5. Step 5: Solve for x
    x = 97,927,048.93/11,513.22
  6. Step 6: Final answer
    x = 8,505.62

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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.