Home / 16,782.81-23,160.24-9,229.61

Finding the Fourth Proportional to 16,782.81, 23,160.24 and 9,229.61

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Solution

The fourth proportional to 16,782.81, 23,160.24 and 9,229.61 is: 12,736.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,782.81 : 23,160.24 = 9,229.61 : x
  2. Step 2: Convert to fraction form
    16,782.81/23,160.24 = 9,229.61/x
  3. Step 3: Cross multiply
    16,782.81x = 23,160.24 × 9,229.61
  4. Step 4: Simplify right side
    16,782.81x = 213,759,982.71
  5. Step 5: Solve for x
    x = 213,759,982.71/16,782.81
  6. Step 6: Final answer
    x = 12,736.84

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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.