Home / 16,742.91-23,103.22-9,935.85

Finding the Fourth Proportional to 16,742.91, 23,103.22 and 9,935.85

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Solution

The fourth proportional to 16,742.91, 23,103.22 and 9,935.85 is: 13,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,742.91 : 23,103.22 = 9,935.85 : x
  2. Step 2: Convert to fraction form
    16,742.91/23,103.22 = 9,935.85/x
  3. Step 3: Cross multiply
    16,742.91x = 23,103.22 × 9,935.85
  4. Step 4: Simplify right side
    16,742.91x = 229,550,128.44
  5. Step 5: Solve for x
    x = 229,550,128.44/16,742.91
  6. Step 6: Final answer
    x = 13,710.29

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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.