Home / 16,815.82-23,210.67-11,243.02

Finding the Fourth Proportional to 16,815.82, 23,210.67 and 11,243.02

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Solution

The fourth proportional to 16,815.82, 23,210.67 and 11,243.02 is: 15,518.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815.82 : 23,210.67 = 11,243.02 : x
  2. Step 2: Convert to fraction form
    16,815.82/23,210.67 = 11,243.02/x
  3. Step 3: Cross multiply
    16,815.82x = 23,210.67 × 11,243.02
  4. Step 4: Simplify right side
    16,815.82x = 260,958,027.02
  5. Step 5: Solve for x
    x = 260,958,027.02/16,815.82
  6. Step 6: Final answer
    x = 15,518.60

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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.