Home / 16,908.30-23,340.06-15,136.86

Finding the Fourth Proportional to 16,908.30, 23,340.06 and 15,136.86

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Solution

The fourth proportional to 16,908.30, 23,340.06 and 15,136.86 is: 20,894.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,908.30 : 23,340.06 = 15,136.86 : x
  2. Step 2: Convert to fraction form
    16,908.30/23,340.06 = 15,136.86/x
  3. Step 3: Cross multiply
    16,908.30x = 23,340.06 × 15,136.86
  4. Step 4: Simplify right side
    16,908.30x = 353,295,220.61
  5. Step 5: Solve for x
    x = 353,295,220.61/16,908.30
  6. Step 6: Final answer
    x = 20,894.78

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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.