Home / 16,923.39-23,360.82-15,151.92

Finding the Fourth Proportional to 16,923.39, 23,360.82 and 15,151.92

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Solution

The fourth proportional to 16,923.39, 23,360.82 and 15,151.92 is: 20,915.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,923.39 : 23,360.82 = 15,151.92 : x
  2. Step 2: Convert to fraction form
    16,923.39/23,360.82 = 15,151.92/x
  3. Step 3: Cross multiply
    16,923.39x = 23,360.82 × 15,151.92
  4. Step 4: Simplify right side
    16,923.39x = 353,961,083.21
  5. Step 5: Solve for x
    x = 353,961,083.21/16,923.39
  6. Step 6: Final answer
    x = 20,915.50

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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.