Home / 19,663.00-29,468.23-7,171.29

Finding the Fourth Proportional to 19,663.00, 29,468.23 and 7,171.29

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Solution

The fourth proportional to 19,663.00, 29,468.23 and 7,171.29 is: 10,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.00 : 29,468.23 = 7,171.29 : x
  2. Step 2: Convert to fraction form
    19,663.00/29,468.23 = 7,171.29/x
  3. Step 3: Cross multiply
    19,663.00x = 29,468.23 × 7,171.29
  4. Step 4: Simplify right side
    19,663.00x = 211,325,205.19
  5. Step 5: Solve for x
    x = 211,325,205.19/19,663.00
  6. Step 6: Final answer
    x = 10,747.35

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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.