Home / 16,781.46-23,158.49-9,228.28

Finding the Fourth Proportional to 16,781.46, 23,158.49 and 9,228.28

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Solution

The fourth proportional to 16,781.46, 23,158.49 and 9,228.28 is: 12,735.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.46 : 23,158.49 = 9,228.28 : x
  2. Step 2: Convert to fraction form
    16,781.46/23,158.49 = 9,228.28/x
  3. Step 3: Cross multiply
    16,781.46x = 23,158.49 × 9,228.28
  4. Step 4: Simplify right side
    16,781.46x = 213,713,021.39
  5. Step 5: Solve for x
    x = 213,713,021.39/16,781.46
  6. Step 6: Final answer
    x = 12,735.07

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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.