Home / 13,207.92-19,829.47-7,665.24

Finding the Fourth Proportional to 13,207.92, 19,829.47 and 7,665.24

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Solution

The fourth proportional to 13,207.92, 19,829.47 and 7,665.24 is: 11,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,207.92 : 19,829.47 = 7,665.24 : x
  2. Step 2: Convert to fraction form
    13,207.92/19,829.47 = 7,665.24/x
  3. Step 3: Cross multiply
    13,207.92x = 19,829.47 × 7,665.24
  4. Step 4: Simplify right side
    13,207.92x = 151,997,509.15
  5. Step 5: Solve for x
    x = 151,997,509.15/13,207.92
  6. Step 6: Final answer
    x = 11,508.06

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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.