Home / 13,110.27-19,654.52-5,207.91

Finding the Fourth Proportional to 13,110.27, 19,654.52 and 5,207.91

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Solution

The fourth proportional to 13,110.27, 19,654.52 and 5,207.91 is: 7,807.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,110.27 : 19,654.52 = 5,207.91 : x
  2. Step 2: Convert to fraction form
    13,110.27/19,654.52 = 5,207.91/x
  3. Step 3: Cross multiply
    13,110.27x = 19,654.52 × 5,207.91
  4. Step 4: Simplify right side
    13,110.27x = 102,358,945.21
  5. Step 5: Solve for x
    x = 102,358,945.21/13,110.27
  6. Step 6: Final answer
    x = 7,807.54

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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.