Home / 23,319.94-34,990.25-12,223.99

Finding the Fourth Proportional to 23,319.94, 34,990.25 and 12,223.99

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Solution

The fourth proportional to 23,319.94, 34,990.25 and 12,223.99 is: 18,341.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.94 : 34,990.25 = 12,223.99 : x
  2. Step 2: Convert to fraction form
    23,319.94/34,990.25 = 12,223.99/x
  3. Step 3: Cross multiply
    23,319.94x = 34,990.25 × 12,223.99
  4. Step 4: Simplify right side
    23,319.94x = 427,720,466.10
  5. Step 5: Solve for x
    x = 427,720,466.10/23,319.94
  6. Step 6: Final answer
    x = 18,341.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.