Home / 19,357.69-29,016.92-13,118.33

Finding the Fourth Proportional to 19,357.69, 29,016.92 and 13,118.33

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Solution

The fourth proportional to 19,357.69, 29,016.92 and 13,118.33 is: 19,664.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,357.69 : 29,016.92 = 13,118.33 : x
  2. Step 2: Convert to fraction form
    19,357.69/29,016.92 = 13,118.33/x
  3. Step 3: Cross multiply
    19,357.69x = 29,016.92 × 13,118.33
  4. Step 4: Simplify right side
    19,357.69x = 380,653,637.48
  5. Step 5: Solve for x
    x = 380,653,637.48/19,357.69
  6. Step 6: Final answer
    x = 19,664.21

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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.