Home / 16,905.94-23,322.33-10,939.53

Finding the Fourth Proportional to 16,905.94, 23,322.33 and 10,939.53

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Solution

The fourth proportional to 16,905.94, 23,322.33 and 10,939.53 is: 15,091.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.94 : 23,322.33 = 10,939.53 : x
  2. Step 2: Convert to fraction form
    16,905.94/23,322.33 = 10,939.53/x
  3. Step 3: Cross multiply
    16,905.94x = 23,322.33 × 10,939.53
  4. Step 4: Simplify right side
    16,905.94x = 255,135,328.70
  5. Step 5: Solve for x
    x = 255,135,328.70/16,905.94
  6. Step 6: Final answer
    x = 15,091.47

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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.