Home / 16,769.64-23,142.11-9,215.97

Finding the Fourth Proportional to 16,769.64, 23,142.11 and 9,215.97

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Solution

The fourth proportional to 16,769.64, 23,142.11 and 9,215.97 is: 12,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,769.64 : 23,142.11 = 9,215.97 : x
  2. Step 2: Convert to fraction form
    16,769.64/23,142.11 = 9,215.97/x
  3. Step 3: Cross multiply
    16,769.64x = 23,142.11 × 9,215.97
  4. Step 4: Simplify right side
    16,769.64x = 213,276,858.63
  5. Step 5: Solve for x
    x = 213,276,858.63/16,769.64
  6. Step 6: Final answer
    x = 12,718.03

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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.