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Finding the Fourth Proportional to 17,793.40, 26,690.10 and 14,974.60

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Solution

The fourth proportional to 17,793.40, 26,690.10 and 14,974.60 is: 22,461.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,793.40 : 26,690.10 = 14,974.60 : x
  2. Step 2: Convert to fraction form
    17,793.40/26,690.10 = 14,974.60/x
  3. Step 3: Cross multiply
    17,793.40x = 26,690.10 × 14,974.60
  4. Step 4: Simplify right side
    17,793.40x = 399,673,571.46
  5. Step 5: Solve for x
    x = 399,673,571.46/17,793.40
  6. Step 6: Final answer
    x = 22,461.90

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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.