Home / 19,138.75-26,410.93-10,755.43

Finding the Fourth Proportional to 19,138.75, 26,410.93 and 10,755.43

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Solution

The fourth proportional to 19,138.75, 26,410.93 and 10,755.43 is: 14,842.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,138.75 : 26,410.93 = 10,755.43 : x
  2. Step 2: Convert to fraction form
    19,138.75/26,410.93 = 10,755.43/x
  3. Step 3: Cross multiply
    19,138.75x = 26,410.93 × 10,755.43
  4. Step 4: Simplify right side
    19,138.75x = 284,060,908.85
  5. Step 5: Solve for x
    x = 284,060,908.85/19,138.75
  6. Step 6: Final answer
    x = 14,842.19

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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.