Home / 16,855.11-23,265.77-9,783.81

Finding the Fourth Proportional to 16,855.11, 23,265.77 and 9,783.81

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Solution

The fourth proportional to 16,855.11, 23,265.77 and 9,783.81 is: 13,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.11 : 23,265.77 = 9,783.81 : x
  2. Step 2: Convert to fraction form
    16,855.11/23,265.77 = 9,783.81/x
  3. Step 3: Cross multiply
    16,855.11x = 23,265.77 × 9,783.81
  4. Step 4: Simplify right side
    16,855.11x = 227,627,824.26
  5. Step 5: Solve for x
    x = 227,627,824.26/16,855.11
  6. Step 6: Final answer
    x = 13,504.97

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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.