Home / 16,206.44-22,364.76-9,135.16

Finding the Fourth Proportional to 16,206.44, 22,364.76 and 9,135.16

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Solution

The fourth proportional to 16,206.44, 22,364.76 and 9,135.16 is: 12,606.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,206.44 : 22,364.76 = 9,135.16 : x
  2. Step 2: Convert to fraction form
    16,206.44/22,364.76 = 9,135.16/x
  3. Step 3: Cross multiply
    16,206.44x = 22,364.76 × 9,135.16
  4. Step 4: Simplify right side
    16,206.44x = 204,305,660.96
  5. Step 5: Solve for x
    x = 204,305,660.96/16,206.44
  6. Step 6: Final answer
    x = 12,606.45

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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.