Home / 16,943.45-23,382.01-9,389.90

Finding the Fourth Proportional to 16,943.45, 23,382.01 and 9,389.90

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Solution

The fourth proportional to 16,943.45, 23,382.01 and 9,389.90 is: 12,958.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,943.45 : 23,382.01 = 9,389.90 : x
  2. Step 2: Convert to fraction form
    16,943.45/23,382.01 = 9,389.90/x
  3. Step 3: Cross multiply
    16,943.45x = 23,382.01 × 9,389.90
  4. Step 4: Simplify right side
    16,943.45x = 219,554,770.68
  5. Step 5: Solve for x
    x = 219,554,770.68/16,943.45
  6. Step 6: Final answer
    x = 12,958.10

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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.