Home / 19,537.66-29,308.30-6,391.36

Finding the Fourth Proportional to 19,537.66, 29,308.30 and 6,391.36

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Solution

The fourth proportional to 19,537.66, 29,308.30 and 6,391.36 is: 9,587.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,537.66 : 29,308.30 = 6,391.36 : x
  2. Step 2: Convert to fraction form
    19,537.66/29,308.30 = 6,391.36/x
  3. Step 3: Cross multiply
    19,537.66x = 29,308.30 × 6,391.36
  4. Step 4: Simplify right side
    19,537.66x = 187,319,896.29
  5. Step 5: Solve for x
    x = 187,319,896.29/19,537.66
  6. Step 6: Final answer
    x = 9,587.63

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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.