Home / 16,242.80-22,408.38-10,939.32

Finding the Fourth Proportional to 16,242.80, 22,408.38 and 10,939.32

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Solution

The fourth proportional to 16,242.80, 22,408.38 and 10,939.32 is: 15,091.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,242.80 : 22,408.38 = 10,939.32 : x
  2. Step 2: Convert to fraction form
    16,242.80/22,408.38 = 10,939.32/x
  3. Step 3: Cross multiply
    16,242.80x = 22,408.38 × 10,939.32
  4. Step 4: Simplify right side
    16,242.80x = 245,132,439.50
  5. Step 5: Solve for x
    x = 245,132,439.50/16,242.80
  6. Step 6: Final answer
    x = 15,091.76

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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.