Home / 15,908.83-21,970.52-11,923.63

Finding the Fourth Proportional to 15,908.83, 21,970.52 and 11,923.63

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Solution

The fourth proportional to 15,908.83, 21,970.52 and 11,923.63 is: 16,466.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,908.83 : 21,970.52 = 11,923.63 : x
  2. Step 2: Convert to fraction form
    15,908.83/21,970.52 = 11,923.63/x
  3. Step 3: Cross multiply
    15,908.83x = 21,970.52 × 11,923.63
  4. Step 4: Simplify right side
    15,908.83x = 261,968,351.39
  5. Step 5: Solve for x
    x = 261,968,351.39/15,908.83
  6. Step 6: Final answer
    x = 16,466.85

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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.