Home / 16,107.75-22,234.77-10,518.75

Finding the Fourth Proportional to 16,107.75, 22,234.77 and 10,518.75

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Solution

The fourth proportional to 16,107.75, 22,234.77 and 10,518.75 is: 14,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,107.75 : 22,234.77 = 10,518.75 : x
  2. Step 2: Convert to fraction form
    16,107.75/22,234.77 = 10,518.75/x
  3. Step 3: Cross multiply
    16,107.75x = 22,234.77 × 10,518.75
  4. Step 4: Simplify right side
    16,107.75x = 233,881,986.94
  5. Step 5: Solve for x
    x = 233,881,986.94/16,107.75
  6. Step 6: Final answer
    x = 14,519.84

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Half scale
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Double scale
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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.