Home / 16,990.72-23,446.06-9,436.44

Finding the Fourth Proportional to 16,990.72, 23,446.06 and 9,436.44

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Solution

The fourth proportional to 16,990.72, 23,446.06 and 9,436.44 is: 13,021.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.72 : 23,446.06 = 9,436.44 : x
  2. Step 2: Convert to fraction form
    16,990.72/23,446.06 = 9,436.44/x
  3. Step 3: Cross multiply
    16,990.72x = 23,446.06 × 9,436.44
  4. Step 4: Simplify right side
    16,990.72x = 221,247,338.43
  5. Step 5: Solve for x
    x = 221,247,338.43/16,990.72
  6. Step 6: Final answer
    x = 13,021.66

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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.