Home / 19,355.90-29,029.73-11,345.87

Finding the Fourth Proportional to 19,355.90, 29,029.73 and 11,345.87

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Solution

The fourth proportional to 19,355.90, 29,029.73 and 11,345.87 is: 17,016.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,355.90 : 29,029.73 = 11,345.87 : x
  2. Step 2: Convert to fraction form
    19,355.90/29,029.73 = 11,345.87/x
  3. Step 3: Cross multiply
    19,355.90x = 29,029.73 × 11,345.87
  4. Step 4: Simplify right side
    19,355.90x = 329,367,558.56
  5. Step 5: Solve for x
    x = 329,367,558.56/19,355.90
  6. Step 6: Final answer
    x = 17,016.40

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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.