Home / 16,389.27-22,611.51-9,217.73

Finding the Fourth Proportional to 16,389.27, 22,611.51 and 9,217.73

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Solution

The fourth proportional to 16,389.27, 22,611.51 and 9,217.73 is: 12,717.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.27 : 22,611.51 = 9,217.73 : x
  2. Step 2: Convert to fraction form
    16,389.27/22,611.51 = 9,217.73/x
  3. Step 3: Cross multiply
    16,389.27x = 22,611.51 × 9,217.73
  4. Step 4: Simplify right side
    16,389.27x = 208,426,850.60
  5. Step 5: Solve for x
    x = 208,426,850.60/16,389.27
  6. Step 6: Final answer
    x = 12,717.27

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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.