Home / 18,821.50-25,974.16-10,323.99

Finding the Fourth Proportional to 18,821.50, 25,974.16 and 10,323.99

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Solution

The fourth proportional to 18,821.50, 25,974.16 and 10,323.99 is: 14,247.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,821.50 : 25,974.16 = 10,323.99 : x
  2. Step 2: Convert to fraction form
    18,821.50/25,974.16 = 10,323.99/x
  3. Step 3: Cross multiply
    18,821.50x = 25,974.16 × 10,323.99
  4. Step 4: Simplify right side
    18,821.50x = 268,156,942.29
  5. Step 5: Solve for x
    x = 268,156,942.29/18,821.50
  6. Step 6: Final answer
    x = 14,247.38

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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.