Home / 19,347.31-29,019.75-11,550.25

Finding the Fourth Proportional to 19,347.31, 29,019.75 and 11,550.25

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Solution

The fourth proportional to 19,347.31, 29,019.75 and 11,550.25 is: 17,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.31 : 29,019.75 = 11,550.25 : x
  2. Step 2: Convert to fraction form
    19,347.31/29,019.75 = 11,550.25/x
  3. Step 3: Cross multiply
    19,347.31x = 29,019.75 × 11,550.25
  4. Step 4: Simplify right side
    19,347.31x = 335,185,367.44
  5. Step 5: Solve for x
    x = 335,185,367.44/19,347.31
  6. Step 6: Final answer
    x = 17,324.65

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1.5x scale

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.