Home / 16,945.30-23,384.50-9,391.65

Finding the Fourth Proportional to 16,945.30, 23,384.50 and 9,391.65

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Solution

The fourth proportional to 16,945.30, 23,384.50 and 9,391.65 is: 12,960.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.30 : 23,384.50 = 9,391.65 : x
  2. Step 2: Convert to fraction form
    16,945.30/23,384.50 = 9,391.65/x
  3. Step 3: Cross multiply
    16,945.30x = 23,384.50 × 9,391.65
  4. Step 4: Simplify right side
    16,945.30x = 219,618,928.25
  5. Step 5: Solve for x
    x = 219,618,928.25/16,945.30
  6. Step 6: Final answer
    x = 12,960.46

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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.