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Finding the Fourth Proportional to 17,994.91, 26,953.41 and 13,053.66

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Solution

The fourth proportional to 17,994.91, 26,953.41 and 13,053.66 is: 19,552.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,994.91 : 26,953.41 = 13,053.66 : x
  2. Step 2: Convert to fraction form
    17,994.91/26,953.41 = 13,053.66/x
  3. Step 3: Cross multiply
    17,994.91x = 26,953.41 × 13,053.66
  4. Step 4: Simplify right side
    17,994.91x = 351,840,524.43
  5. Step 5: Solve for x
    x = 351,840,524.43/17,994.91
  6. Step 6: Final answer
    x = 19,552.23

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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.