Home / 16,921.86-23,351.41-9,367.66

Finding the Fourth Proportional to 16,921.86, 23,351.41 and 9,367.66

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Solution

The fourth proportional to 16,921.86, 23,351.41 and 9,367.66 is: 12,926.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,921.86 : 23,351.41 = 9,367.66 : x
  2. Step 2: Convert to fraction form
    16,921.86/23,351.41 = 9,367.66/x
  3. Step 3: Cross multiply
    16,921.86x = 23,351.41 × 9,367.66
  4. Step 4: Simplify right side
    16,921.86x = 218,747,905.81
  5. Step 5: Solve for x
    x = 218,747,905.81/16,921.86
  6. Step 6: Final answer
    x = 12,926.95

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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.