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Finding the Fourth Proportional to 16,923.38, 25,385.07 and 4,611.38

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Solution

The fourth proportional to 16,923.38, 25,385.07 and 4,611.38 is: 6,917.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.38 : 25,385.07 = 4,611.38 : x
  2. Step 2: Convert to fraction form
    16,923.38/25,385.07 = 4,611.38/x
  3. Step 3: Cross multiply
    16,923.38x = 25,385.07 × 4,611.38
  4. Step 4: Simplify right side
    16,923.38x = 117,060,077.17
  5. Step 5: Solve for x
    x = 117,060,077.17/16,923.38
  6. Step 6: Final answer
    x = 6,917.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.