Home / 16,933.72-23,368.54-9,380.54

Finding the Fourth Proportional to 16,933.72, 23,368.54 and 9,380.54

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Solution

The fourth proportional to 16,933.72, 23,368.54 and 9,380.54 is: 12,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,933.72 : 23,368.54 = 9,380.54 : x
  2. Step 2: Convert to fraction form
    16,933.72/23,368.54 = 9,380.54/x
  3. Step 3: Cross multiply
    16,933.72x = 23,368.54 × 9,380.54
  4. Step 4: Simplify right side
    16,933.72x = 219,209,550.39
  5. Step 5: Solve for x
    x = 219,209,550.39/16,933.72
  6. Step 6: Final answer
    x = 12,945.15

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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.