Home / 16,821.09-23,211.99-10,107

Finding the Fourth Proportional to 16,821.09, 23,211.99 and 10,107

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Solution

The fourth proportional to 16,821.09, 23,211.99 and 10,107 is: 13,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821.09 : 23,211.99 = 10,107 : x
  2. Step 2: Convert to fraction form
    16,821.09/23,211.99 = 10,107/x
  3. Step 3: Cross multiply
    16,821.09x = 23,211.99 × 10,107
  4. Step 4: Simplify right side
    16,821.09x = 234,603,582.93
  5. Step 5: Solve for x
    x = 234,603,582.93/16,821.09
  6. Step 6: Final answer
    x = 13,946.99

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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.