Home / 16,945.50-23,384.75-9,391.85

Finding the Fourth Proportional to 16,945.50, 23,384.75 and 9,391.85

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Solution

The fourth proportional to 16,945.50, 23,384.75 and 9,391.85 is: 12,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,945.50 : 23,384.75 = 9,391.85 : x
  2. Step 2: Convert to fraction form
    16,945.50/23,384.75 = 9,391.85/x
  3. Step 3: Cross multiply
    16,945.50x = 23,384.75 × 9,391.85
  4. Step 4: Simplify right side
    16,945.50x = 219,625,900.40
  5. Step 5: Solve for x
    x = 219,625,900.40/16,945.50
  6. Step 6: Final answer
    x = 12,960.72

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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.