Home / 19,702.70-29,507.06-11,365.28

Finding the Fourth Proportional to 19,702.70, 29,507.06 and 11,365.28

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Solution

The fourth proportional to 19,702.70, 29,507.06 and 11,365.28 is: 17,020.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,702.70 : 29,507.06 = 11,365.28 : x
  2. Step 2: Convert to fraction form
    19,702.70/29,507.06 = 11,365.28/x
  3. Step 3: Cross multiply
    19,702.70x = 29,507.06 × 11,365.28
  4. Step 4: Simplify right side
    19,702.70x = 335,355,998.88
  5. Step 5: Solve for x
    x = 335,355,998.88/19,702.70
  6. Step 6: Final answer
    x = 17,020.81

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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.