Home / 19,119.87-26,385.75-11,162.43

Finding the Fourth Proportional to 19,119.87, 26,385.75 and 11,162.43

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Solution

The fourth proportional to 19,119.87, 26,385.75 and 11,162.43 is: 15,404.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,119.87 : 26,385.75 = 11,162.43 : x
  2. Step 2: Convert to fraction form
    19,119.87/26,385.75 = 11,162.43/x
  3. Step 3: Cross multiply
    19,119.87x = 26,385.75 × 11,162.43
  4. Step 4: Simplify right side
    19,119.87x = 294,529,087.37
  5. Step 5: Solve for x
    x = 294,529,087.37/19,119.87
  6. Step 6: Final answer
    x = 15,404.35

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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.