Home / 16,947.65-23,361.83-11,897.70

Finding the Fourth Proportional to 16,947.65, 23,361.83 and 11,897.70

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Solution

The fourth proportional to 16,947.65, 23,361.83 and 11,897.70 is: 16,400.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.65 : 23,361.83 = 11,897.70 : x
  2. Step 2: Convert to fraction form
    16,947.65/23,361.83 = 11,897.70/x
  3. Step 3: Cross multiply
    16,947.65x = 23,361.83 × 11,897.70
  4. Step 4: Simplify right side
    16,947.65x = 277,951,985.30
  5. Step 5: Solve for x
    x = 277,951,985.30/16,947.65
  6. Step 6: Final answer
    x = 16,400.63

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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.