Home / 19,380.35-26,757.93-13,016.39

Finding the Fourth Proportional to 19,380.35, 26,757.93 and 13,016.39

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Solution

The fourth proportional to 19,380.35, 26,757.93 and 13,016.39 is: 17,971.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.35 : 26,757.93 = 13,016.39 : x
  2. Step 2: Convert to fraction form
    19,380.35/26,757.93 = 13,016.39/x
  3. Step 3: Cross multiply
    19,380.35x = 26,757.93 × 13,016.39
  4. Step 4: Simplify right side
    19,380.35x = 348,291,518.68
  5. Step 5: Solve for x
    x = 348,291,518.68/19,380.35
  6. Step 6: Final answer
    x = 17,971.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.