Home / 16,813.30-23,201.46-9,642.84

Finding the Fourth Proportional to 16,813.30, 23,201.46 and 9,642.84

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Solution

The fourth proportional to 16,813.30, 23,201.46 and 9,642.84 is: 13,306.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,813.30 : 23,201.46 = 9,642.84 : x
  2. Step 2: Convert to fraction form
    16,813.30/23,201.46 = 9,642.84/x
  3. Step 3: Cross multiply
    16,813.30x = 23,201.46 × 9,642.84
  4. Step 4: Simplify right side
    16,813.30x = 223,728,110.24
  5. Step 5: Solve for x
    x = 223,728,110.24/16,813.30
  6. Step 6: Final answer
    x = 13,306.62

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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.