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Finding the Fourth Proportional to 17,808.80, 26,713.19 and 4,662.29

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Solution

The fourth proportional to 17,808.80, 26,713.19 and 4,662.29 is: 6,993.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.80 : 26,713.19 = 4,662.29 : x
  2. Step 2: Convert to fraction form
    17,808.80/26,713.19 = 4,662.29/x
  3. Step 3: Cross multiply
    17,808.80x = 26,713.19 × 4,662.29
  4. Step 4: Simplify right side
    17,808.80x = 124,544,717.04
  5. Step 5: Solve for x
    x = 124,544,717.04/17,808.80
  6. Step 6: Final answer
    x = 6,993.44

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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.