Home / 15,908.58-21,970.17-11,923.38

Finding the Fourth Proportional to 15,908.58, 21,970.17 and 11,923.38

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Solution

The fourth proportional to 15,908.58, 21,970.17 and 11,923.38 is: 16,466.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.58 : 21,970.17 = 11,923.38 : x
  2. Step 2: Convert to fraction form
    15,908.58/21,970.17 = 11,923.38/x
  3. Step 3: Cross multiply
    15,908.58x = 21,970.17 × 11,923.38
  4. Step 4: Simplify right side
    15,908.58x = 261,958,685.57
  5. Step 5: Solve for x
    x = 261,958,685.57/15,908.58
  6. Step 6: Final answer
    x = 16,466.50

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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.