Home / 16,939.50-23,376.47-9,385.85

Finding the Fourth Proportional to 16,939.50, 23,376.47 and 9,385.85

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Solution

The fourth proportional to 16,939.50, 23,376.47 and 9,385.85 is: 12,952.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,939.50 : 23,376.47 = 9,385.85 : x
  2. Step 2: Convert to fraction form
    16,939.50/23,376.47 = 9,385.85/x
  3. Step 3: Cross multiply
    16,939.50x = 23,376.47 × 9,385.85
  4. Step 4: Simplify right side
    16,939.50x = 219,407,877.14
  5. Step 5: Solve for x
    x = 219,407,877.14/16,939.50
  6. Step 6: Final answer
    x = 12,952.44

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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.