Home / 19,702.36-29,565.06-11,911.96

Finding the Fourth Proportional to 19,702.36, 29,565.06 and 11,911.96

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Solution

The fourth proportional to 19,702.36, 29,565.06 and 11,911.96 is: 17,874.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.36 : 29,565.06 = 11,911.96 : x
  2. Step 2: Convert to fraction form
    19,702.36/29,565.06 = 11,911.96/x
  3. Step 3: Cross multiply
    19,702.36x = 29,565.06 × 11,911.96
  4. Step 4: Simplify right side
    19,702.36x = 352,177,812.12
  5. Step 5: Solve for x
    x = 352,177,812.12/19,702.36
  6. Step 6: Final answer
    x = 17,874.90

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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.